diff --git a/src/Oms.Application/Dtos/Operations/PrintLabelLookupOutput.cs b/src/Oms.Application/Dtos/Operations/PrintLabelLookupOutput.cs
new file mode 100644
index 0000000..be30c83
--- /dev/null
+++ b/src/Oms.Application/Dtos/Operations/PrintLabelLookupOutput.cs
@@ -0,0 +1,109 @@
+namespace Oms.Application.Dtos.Operations;
+
+/// <summary>
+/// 打印标签扫码查单入参（Query）。
+/// </summary>
+public class PrintLabelLookupInput
+{
+    /// <summary>扫描号码。</summary>
+    public string Number { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 号码类型：auto / waybill / customerOrder / tracking / other / parcel / sku。
+    /// 空视为 auto。
+    /// </summary>
+    public string? NumberType { get; set; }
+}
+
+/// <summary>
+/// 打印标签查单结果：订单头 + 绑定明细，供操作员核对后打印。
+/// </summary>
+public class PrintLabelLookupOutput
+{
+    /// <summary>是否唯一命中订单。</summary>
+    public bool Matched { get; set; }
+
+    /// <summary>实际命中的号码类型。</summary>
+    public string? MatchedNumberType { get; set; }
+
+    /// <summary>告警：noneBind / multiMatch / alreadyPrinted 等。</summary>
+    public List<string> Warnings { get; set; } = [];
+
+    public int? OrderId { get; set; }
+
+    public string? ServiceNo { get; set; }
+
+    public string? ClientNo { get; set; }
+
+    public string? TrackNo { get; set; }
+
+    public string? ProductCode { get; set; }
+
+    public string? SalesProductName { get; set; }
+
+    public string? DestinationCountry { get; set; }
+
+    public string? DestinationCountryName { get; set; }
+
+    public string? OrderStatus { get; set; }
+
+    public string? OrderStatusName { get; set; }
+
+    public int? WarehouseId { get; set; }
+
+    public string? WarehouseName { get; set; }
+
+    /// <summary>none / bound / deducted / released</summary>
+    public string BindStatus { get; set; } = "none";
+
+    /// <summary>绑定件数合计。</summary>
+    public int BindQtyTotal { get; set; }
+
+    /// <summary>绑定行数。</summary>
+    public int BindLineCount { get; set; }
+
+    public List<PrintLabelBindItemOutput> BindItems { get; set; } = [];
+
+    /// <summary>SKU/模糊扫到多单时的候选列表。</summary>
+    public List<PrintLabelLookupCandidateOutput> Candidates { get; set; } = [];
+}
+
+public class PrintLabelBindItemOutput
+{
+    public string BindType { get; set; } = string.Empty;
+
+    public string? SkuCode { get; set; }
+
+    public string? SkuName { get; set; }
+
+    public string? TrackingNo { get; set; }
+
+    public string? ProductName { get; set; }
+
+    public string? AttributeText { get; set; }
+
+    public string? ImageUrl { get; set; }
+
+    public string? BinCode { get; set; }
+
+    public int BindQty { get; set; }
+
+    public string Status { get; set; } = string.Empty;
+}
+
+public class PrintLabelLookupCandidateOutput
+{
+    public int OrderId { get; set; }
+
+    public string? ServiceNo { get; set; }
+
+    public string? ClientNo { get; set; }
+
+    public string? TrackNo { get; set; }
+
+    public string? OrderStatusName { get; set; }
+
+    public int BindQtyTotal { get; set; }
+
+    public string? MatchedHint { get; set; }
+}
diff --git a/src/Oms.Application/Services/Operations/LabelPrintService.cs b/src/Oms.Application/Services/Operations/LabelPrintService.cs
index 95442ef..14ca1b8 100644
--- a/src/Oms.Application/Services/Operations/LabelPrintService.cs
+++ b/src/Oms.Application/Services/Operations/LabelPrintService.cs
@@ -2,11 +2,17 @@ using Fake.Application;
 using Microsoft.AspNetCore.Mvc;
 using Oms.Application.Dtos.Operations;
 using Oms.Application.Dtos.Shared;
+using Oms.Application.Shared;
 using Oms.Domain.ChannelsAggregate.Entities;
 using Oms.Domain.ChannelsAggregate.Repositories;
 using Oms.Domain.OperationsAggregate.Entities;
 using Oms.Domain.OperationsAggregate.Repositories;
+using Oms.Domain.OrdersAggregate.Consts;
+using Oms.Domain.OrdersAggregate.Entities;
+using Oms.Domain.OrdersAggregate.Repositories;
 using Oms.Domain.Shared.Enums;
+using Oms.Domain.SystemAggregate.Repositories;
+using Oms.Domain.WarehouseAggregate.Repositories;
 
 namespace Oms.Application.Services.Operations;
 
@@ -18,12 +24,70 @@ public class LabelPrintService : ApplicationService
 {
     private ILabelPrintRecordRepository LabelPrintRecordRepository => LazyServiceProvider.GetRequiredService<ILabelPrintRecordRepository>();
     private ILabelTemplateRepository LabelTemplateRepository => LazyServiceProvider.GetRequiredService<ILabelTemplateRepository>();
+    private IOrderRepository OrderRepository => LazyServiceProvider.GetRequiredService<IOrderRepository>();
+    private IOrderStockBindRepository OrderStockBindRepository => LazyServiceProvider.GetRequiredService<IOrderStockBindRepository>();
+    private ICParcelRepository ParcelRepository => LazyServiceProvider.GetRequiredService<ICParcelRepository>();
+    private ICSkuRepository SkuRepository => LazyServiceProvider.GetRequiredService<ICSkuRepository>();
+    private ISalesProductRepository SalesProductRepository => LazyServiceProvider.GetRequiredService<ISalesProductRepository>();
+    private ICountryRepository CountryRepository => LazyServiceProvider.GetRequiredService<ICountryRepository>();
+    private IWarehouseAddressRepository WarehouseAddressRepository => LazyServiceProvider.GetRequiredService<IWarehouseAddressRepository>();
+
+    /// <summary>
+    /// 扫码查单：运单/客户单/跟踪号/其他单号/包裹快递单号/SKU → 订单 + 绑定明细。
+    /// </summary>
+    [HttpGet("/operation/print-label/lookup")]
+    public async Task<PrintLabelLookupOutput> LookupAsync(
+        [FromQuery] string number,
+        [FromQuery] string? numberType = null)
+    {
+        var raw = number?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(raw))
+        {
+            throw new BusinessException("请扫描或输入单号");
+        }
+
+        var type = NormalizeNumberType(numberType);
+        Order? order = null;
+        string? matchedType = null;
+        List<PrintLabelLookupCandidateOutput>? candidates = null;
+
+        if (type is "auto" or "")
+        {
+            (order, matchedType, candidates) = await ResolveAutoAsync(raw);
+        }
+        else
+        {
+            (order, matchedType, candidates) = await ResolveByTypeAsync(raw, type);
+        }
+
+        if (candidates is { Count: > 1 })
+        {
+            return new PrintLabelLookupOutput
+            {
+                Matched = false,
+                MatchedNumberType = matchedType,
+                Warnings = ["multiMatch"],
+                Candidates = candidates
+            };
+        }
+
+        if (order == null && candidates is { Count: 1 })
+        {
+            order = await OrderRepository.FirstOrDefaultAsync(x => x.Id == candidates[0].OrderId);
+            matchedType ??= "sku";
+        }
+
+        if (order == null)
+        {
+            throw new BusinessException("未找到对应订单，请检查号码或类型");
+        }
+
+        return await BuildLookupOutputAsync(order, matchedType ?? type);
+    }
 
     /// <summary>
     /// 执行面单打印。
     /// </summary>
-    /// <param name="input">入参：面单打印参数。</param>
-    /// <returns>面单打印记录。</returns>
     [HttpPost("/operation/print-label/print")]
     public async Task<LabelPrintRecordOutput> PrintAsync(PrintLabelInput input)
     {
@@ -89,11 +153,10 @@ public class LabelPrintService : ApplicationService
     /// <summary>
     /// 查询最近面单打印记录列表。
     /// </summary>
-    /// <param name="limit">入参：返回记录条数上限。</param>
-    /// <param name="labelTemplateId">入参：标签模板主键，可选。</param>
-    /// <returns>面单打印记录列表结果。</returns>
     [HttpGet("/operation/print-label/recent-list")]
-    public async Task<OmsItemsResult<LabelPrintRecordOutput>> GetRecentListAsync([FromQuery] int limit = 20, [FromQuery] int? labelTemplateId = null)
+    public async Task<OmsItemsResult<LabelPrintRecordOutput>> GetRecentListAsync(
+        [FromQuery] int limit = 20,
+        [FromQuery] int? labelTemplateId = null)
     {
         var hasTemplateFilter = labelTemplateId.HasValue;
         var labelTemplateIdValue = labelTemplateId.GetValueOrDefault();
@@ -127,10 +190,9 @@ public class LabelPrintService : ApplicationService
     /// <summary>
     /// 查询标签模板列表。
     /// </summary>
-    /// <param name="templateType">入参：模板类型，可选。</param>
-    /// <returns>标签模板列表结果。</returns>
     [HttpGet("/operation/print-label/template-list")]
-    public async Task<OmsItemsResult<LabelTemplateDropdownOutput>> GetTemplateDropdownListAsync([FromQuery] string? templateType = null)
+    public async Task<OmsItemsResult<LabelTemplateDropdownOutput>> GetTemplateDropdownListAsync(
+        [FromQuery] string? templateType = null)
     {
         var entities = await LabelTemplateRepository.GetListAsync(
             x => string.IsNullOrWhiteSpace(templateType) || x.TemplateType == templateType);
@@ -140,4 +202,244 @@ public class LabelPrintService : ApplicationService
             .ToList();
         return new OmsItemsResult<LabelTemplateDropdownOutput> { Items = items };
     }
+
+    private static string NormalizeNumberType(string? numberType)
+    {
+        var value = numberType?.Trim().ToLowerInvariant() ?? "auto";
+        return value switch
+        {
+            "customerorderno" or "customer-order" or "client" or "clientno" => "customerorder",
+            "track" or "trackno" => "tracking",
+            "parceltracking" or "parcelno" or "express" => "parcel",
+            "skucode" => "sku",
+            "" or "all" => "auto",
+            _ => value
+        };
+    }
+
+    private async Task<(Order? Order, string? MatchedType, List<PrintLabelLookupCandidateOutput>? Candidates)>
+        ResolveAutoAsync(string number)
+    {
+        var order = await OrderRepository.GetByWaybillNoAsync(number);
+        if (order != null)
+        {
+            var matched =
+                string.Equals(order.ServiceNo, number, StringComparison.OrdinalIgnoreCase) ? "waybill"
+                : string.Equals(order.TrackNo, number, StringComparison.OrdinalIgnoreCase) ? "tracking"
+                : string.Equals(order.ClientNo, number, StringComparison.OrdinalIgnoreCase) ? "customerorder"
+                : "waybill";
+            return (order, matched, null);
+        }
+
+        var byParcel = await ResolveByParcelTrackingAsync(number);
+        if (byParcel.Order != null || byParcel.Candidates is { Count: > 0 })
+        {
+            return byParcel;
+        }
+
+        return await ResolveBySkuAsync(number);
+    }
+
+    private async Task<(Order? Order, string? MatchedType, List<PrintLabelLookupCandidateOutput>? Candidates)>
+        ResolveByTypeAsync(string number, string type)
+    {
+        return type switch
+        {
+            "waybill" => (await OrderRepository.GetByServiceNoAsync(number)
+                          ?? await OrderRepository.GetByWaybillNoAsync(number), "waybill", null),
+            "customerorder" => (
+                await OrderRepository.FirstOrDefaultAsync(x => x.ClientNo == number),
+                "customerorder",
+                null),
+            "tracking" => (
+                await OrderRepository.GetByTrackNoAsync(number),
+                "tracking",
+                null),
+            "other" => (
+                await OrderRepository.FirstOrDefaultAsync(x => x.RequestId == number || x.ClientNo == number)
+                ?? await OrderRepository.GetByWaybillNoAsync(number),
+                "other",
+                null),
+            "parcel" => await ResolveByParcelTrackingAsync(number),
+            "sku" => await ResolveBySkuAsync(number),
+            _ => await ResolveAutoAsync(number)
+        };
+    }
+
+    private async Task<(Order? Order, string? MatchedType, List<PrintLabelLookupCandidateOutput>? Candidates)>
+        ResolveByParcelTrackingAsync(string trackingNo)
+    {
+        var parcels = await ParcelRepository.GetListAsync(x => x.TrackingNo == trackingNo);
+        if (parcels.Count == 0)
+        {
+            return (null, "parcel", null);
+        }
+
+        var parcelIds = parcels.Select(x => x.Id).ToArray();
+        var binds = await OrderStockBindRepository.GetListAsync(x =>
+            x.ParcelId.HasValue
+            && parcelIds.Contains(x.ParcelId.Value)
+            && (x.Status == OrderStockBindStatusCodes.Bound || x.Status == OrderStockBindStatusCodes.Deducted));
+
+        var orderIds = binds.Select(x => x.OrderId).Distinct().ToArray();
+        if (orderIds.Length == 0)
+        {
+            throw new BusinessException("找到包裹但未绑定到任何订单，请先绑定包裹/库存");
+        }
+
+        if (orderIds.Length == 1)
+        {
+            var order = await OrderRepository.FirstOrDefaultAsync(x => x.Id == orderIds[0]);
+            return (order, "parcel", null);
+        }
+
+        var candidates = await BuildCandidatesAsync(orderIds, "包裹快递单号命中多笔订单");
+        return (null, "parcel", candidates);
+    }
+
+    private async Task<(Order? Order, string? MatchedType, List<PrintLabelLookupCandidateOutput>? Candidates)>
+        ResolveBySkuAsync(string skuCode)
+    {
+        var skus = await SkuRepository.GetListAsync(x => x.SkuCode == skuCode);
+        if (skus.Count == 0)
+        {
+            return (null, "sku", null);
+        }
+
+        var skuIds = skus.Select(x => x.Id).ToArray();
+        var binds = await OrderStockBindRepository.GetListAsync(x =>
+            x.SkuId.HasValue
+            && skuIds.Contains(x.SkuId.Value)
+            && (x.Status == OrderStockBindStatusCodes.Bound || x.Status == OrderStockBindStatusCodes.Deducted));
+
+        var orderIds = binds.Select(x => x.OrderId).Distinct().ToArray();
+        if (orderIds.Length == 0)
+        {
+            throw new BusinessException("找到 SKU 但没有绑定中的订单，请确认是否已绑定");
+        }
+
+        if (orderIds.Length == 1)
+        {
+            var order = await OrderRepository.FirstOrDefaultAsync(x => x.Id == orderIds[0]);
+            return (order, "sku", null);
+        }
+
+        var candidates = await BuildCandidatesAsync(orderIds, $"SKU {skuCode} 命中多笔订单，请选择");
+        return (null, "sku", candidates);
+    }
+
+    private async Task<List<PrintLabelLookupCandidateOutput>> BuildCandidatesAsync(int[] orderIds, string hint)
+    {
+        var orders = await OrderRepository.GetListAsync(x => orderIds.Contains(x.Id));
+        var binds = await OrderStockBindRepository.GetListAsync(x =>
+            orderIds.Contains(x.OrderId)
+            && (x.Status == OrderStockBindStatusCodes.Bound || x.Status == OrderStockBindStatusCodes.Deducted));
+        var qtyMap = binds.GroupBy(x => x.OrderId).ToDictionary(g => g.Key, g => g.Sum(x => x.BindQty));
+
+        return orders
+            .OrderByDescending(x => x.UpdateTime)
+            .Select(o => new PrintLabelLookupCandidateOutput
+            {
+                OrderId = o.Id,
+                ServiceNo = o.ServiceNo,
+                ClientNo = o.ClientNo,
+                TrackNo = o.TrackNo,
+                OrderStatusName = OmsDocHelper.GetOrderStatusName(o.OrderStatus),
+                BindQtyTotal = qtyMap.GetValueOrDefault(o.Id),
+                MatchedHint = hint
+            })
+            .ToList();
+    }
+
+    private async Task<PrintLabelLookupOutput> BuildLookupOutputAsync(Order order, string matchedType)
+    {
+        var binds = await OrderStockBindRepository.GetListAsync(x =>
+            x.OrderId == order.Id
+            && (x.Status == OrderStockBindStatusCodes.Bound || x.Status == OrderStockBindStatusCodes.Deducted));
+        binds = binds.OrderBy(x => x.Id).ToList();
+
+        var warehouseId = order.WarehouseId ?? binds.FirstOrDefault()?.WarehouseId;
+        string? warehouseName = null;
+        if (warehouseId is > 0)
+        {
+            var warehouse = await WarehouseAddressRepository.FirstOrDefaultAsync(x => x.Id == warehouseId.Value);
+            warehouseName = warehouse?.WarehouseName;
+        }
+
+        string? salesProductName = null;
+        if (!string.IsNullOrWhiteSpace(order.ProductCode))
+        {
+            var product = await SalesProductRepository.GetByProductCodeAsync(order.ProductCode.Trim());
+            salesProductName = product?.ProductName;
+        }
+
+        string? countryName = order.ConsigneeCountry;
+        if (!string.IsNullOrWhiteSpace(order.ConsigneeCountry))
+        {
+            var country = await CountryRepository.FirstOrDefaultAsync(x => x.CountryCode == order.ConsigneeCountry);
+            countryName = country?.ChineseName ?? country?.EnglishName ?? order.ConsigneeCountry;
+        }
+
+        var bindStatus = "none";
+        if (binds.Any(x => x.Status == OrderStockBindStatusCodes.Deducted))
+        {
+            bindStatus = OrderStockBindStatusCodes.Deducted;
+        }
+        else if (binds.Any(x => x.Status == OrderStockBindStatusCodes.Bound))
+        {
+            bindStatus = OrderStockBindStatusCodes.Bound;
+        }
+
+        var warnings = new List<string>();
+        if (binds.Count == 0)
+        {
+            warnings.Add("noneBind");
+        }
+
+        var binIds = binds.Where(x => x.BinLocationId.HasValue).Select(x => x.BinLocationId!.Value).Distinct().ToArray();
+        var binMap = new Dictionary<int, string>();
+        if (binIds.Length > 0)
+        {
+            var binRepo = LazyServiceProvider.GetRequiredService<ICBinLocationRepository>();
+            var bins = await binRepo.GetListAsync(x => binIds.Contains(x.Id));
+            binMap = bins.ToDictionary(x => x.Id, x => x.BinCode);
+        }
+
+        var bindItems = binds.Select(b => new PrintLabelBindItemOutput
+        {
+            BindType = b.BindType,
+            SkuCode = b.SkuCode,
+            SkuName = b.SkuName,
+            TrackingNo = b.TrackingNo,
+            ProductName = b.ProductName,
+            AttributeText = b.AttributeText,
+            ImageUrl = b.ImageUrl,
+            BinCode = b.BinLocationId is > 0 && binMap.TryGetValue(b.BinLocationId.Value, out var code) ? code : null,
+            BindQty = b.BindQty,
+            Status = b.Status
+        }).ToList();
+
+        return new PrintLabelLookupOutput
+        {
+            Matched = true,
+            MatchedNumberType = matchedType,
+            Warnings = warnings,
+            OrderId = order.Id,
+            ServiceNo = order.ServiceNo,
+            ClientNo = order.ClientNo,
+            TrackNo = order.TrackNo,
+            ProductCode = order.ProductCode,
+            SalesProductName = salesProductName,
+            DestinationCountry = order.ConsigneeCountry,
+            DestinationCountryName = countryName,
+            OrderStatus = order.OrderStatus,
+            OrderStatusName = OmsDocHelper.GetOrderStatusName(order.OrderStatus),
+            WarehouseId = warehouseId,
+            WarehouseName = warehouseName,
+            BindStatus = bindStatus,
+            BindQtyTotal = binds.Sum(x => x.BindQty),
+            BindLineCount = binds.Count,
+            BindItems = bindItems
+        };
+    }
 }