diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/facade/IReservationMaterialInventoryService.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/facade/IReservationMaterialInventoryService.java
index 5344f3163..bd81f1a21 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/facade/IReservationMaterialInventoryService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/facade/IReservationMaterialInventoryService.java
@@ -2,6 +2,7 @@ package com.mhd.oms.domain.reservationMaterialInventory.repository.facade;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.mhd.oms.domain.reservationMaterialInventory.entity.ReservationMaterialInventory;
+import com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryQueryListPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.MaterialInventoryParamDO;
@@ -113,4 +114,9 @@ public interface IReservationMaterialInventoryService extends IService<Reservati
     public void xgkc(MaterialInventoryOmsParamDO materialInventoryParamDO);
 
     public void kctzjl(MaterialInventoryOmsParamDO materialInventoryParamDO,String adjustAction,LoginUser loginUser);
+
+    /**
+     * 根据物料编号查询库存批次最近5条过期日期+批次号（入库业务单新增页面下拉回显）
+     */
+    public List<MaterialInventoryExpiryBatchPO> selectRecentExpiryBatches(String materialCode, Long topOrganizationId);
 }
\ No newline at end of file
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/mapper/ReservationMaterialInventoryMapper.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/mapper/ReservationMaterialInventoryMapper.java
index e655c623d..a73033a6b 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/mapper/ReservationMaterialInventoryMapper.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/mapper/ReservationMaterialInventoryMapper.java
@@ -2,6 +2,7 @@ package com.mhd.oms.domain.reservationMaterialInventory.repository.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.mhd.oms.domain.reservationMaterialInventory.entity.ReservationMaterialInventory;
+import com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.MaterialBarCodePO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.MaterialBaseInfo;
@@ -36,4 +37,7 @@ public interface ReservationMaterialInventoryMapper extends BaseMapper<Reservati
     public MaterialBaseInfo getByInfoId(@Param("id") Long id);
 
     public List<MaterialBarCodePO> getInfoByMaterialBaseInfoIds(@Param("id") Long id);
+
+    //入库业务单新增：根据物料编号查询库存批次去重后的过期日期+批次号（最近5条），供前端下拉回显
+    public List<MaterialInventoryExpiryBatchPO> selectRecentExpiryBatches(@Param("materialCode") String materialCode, @Param("topOrganizationId") Long topOrganizationId);
 }
\ No newline at end of file
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/persistence/ReservationMaterialInventoryImpl.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/persistence/ReservationMaterialInventoryImpl.java
index d7840252b..d666fc65a 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/persistence/ReservationMaterialInventoryImpl.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/persistence/ReservationMaterialInventoryImpl.java
@@ -13,6 +13,7 @@ import com.mhd.oms.domain.reservationInventoryAdjustmentRecord.repository.mapper
 import com.mhd.oms.domain.reservationMaterialInventory.entity.ReservationMaterialInventory;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.facade.IReservationMaterialInventoryService;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.mapper.ReservationMaterialInventoryMapper;
+import com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryQueryListPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.MaterialBarCodePO;
@@ -120,6 +121,14 @@ public class ReservationMaterialInventoryImpl extends ServiceImpl<ReservationMat
         return materialInventoryPO;
     }
 
+    /**
+     * 根据物料编号查询库存批次最近5条过期日期+批次号（入库业务单新增页面下拉回显）
+     */
+    @Override
+    public List<MaterialInventoryExpiryBatchPO> selectRecentExpiryBatches(String materialCode, Long topOrganizationId) {
+        return materialInventoryMapper.selectRecentExpiryBatches(materialCode, topOrganizationId);
+    }
+
     @Override
     public Boolean omsEdit(MaterialInventoryOmsParamDO materialInventoryOmsParamDO) {
         String inOrderNumber = materialInventoryOmsParamDO.getInOrderNumber();
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/po/MaterialInventoryExpiryBatchPO.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/po/MaterialInventoryExpiryBatchPO.java
new file mode 100644
index 000000000..eb47478e3
--- /dev/null
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/po/MaterialInventoryExpiryBatchPO.java
@@ -0,0 +1,25 @@
+package com.mhd.oms.domain.reservationMaterialInventory.repository.po;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 物料库存批次过期日期对象（入库业务单新增页面下拉回显）
+ *
+ * @author rcx
+ * @date 2026-08-31
+ */
+@Data
+@ApiModel(value = "物料库存批次过期日期", description = "物料库存批次过期日期响应对象")
+public class MaterialInventoryExpiryBatchPO implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("过期日期 yyyy-MM-dd")
+    private String expiryDate;
+
+    @ApiModelProperty("批次号")
+    private String batchNumber;
+}
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryApplicationService.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryApplicationService.java
index fe6184862..c41ef1051 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryApplicationService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryApplicationService.java
@@ -8,6 +8,7 @@ import com.mhd.common.core.utils.bean.BeanUtils;
 import com.mhd.common.core.web.domain.AjaxResult;
 import com.mhd.common.security.utils.SecurityUtils;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.mapper.ReservationMaterialInventoryMapper;
+import com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryQueryListPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.MaterialBarCodePO;
@@ -185,6 +186,22 @@ public class ReservationMaterialInventoryApplicationService {
         return materialInventoryDomainService.getInventoryByStorageLocationIdAndMaterialBaseInfoId(storageLocationId, materialBaseInfoId);
     }
 
+    /**
+     * 根据物料编号查询库存批次最近5条过期日期+批次号（入库业务单新增页面下拉回显）
+     * 与 queryList 一致：按登录用户一级组织(租户)过滤，一级组织(平台)不限制
+     */
+    public List<MaterialInventoryExpiryBatchPO> selectRecentExpiryBatches(String materialCode) {
+        Long topOrganizationId = null;
+        LoginUser loginUser = SecurityUtils.getLoginUser();
+        if (loginUser != null && loginUser.getUserPo() != null) {
+            Long loginTopOrgId = loginUser.getUserPo().getTopOrganizationId();
+            if (loginTopOrgId != null && loginTopOrgId != 1) {
+                topOrganizationId = loginTopOrgId;
+            }
+        }
+        return materialInventoryDomainService.selectRecentExpiryBatches(materialCode, topOrganizationId);
+    }
+
     /**
      * @description:库存查询列表
      * @param materialInventoryQueryListDO
diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryDomainService.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryDomainService.java
index fc73a5f42..40cc12ad1 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryDomainService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/service/ReservationMaterialInventoryDomainService.java
@@ -3,6 +3,7 @@ package com.mhd.oms.domain.reservationMaterialInventory.service;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.mhd.oms.domain.reservationMaterialInventory.entity.ReservationMaterialInventory;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.facade.IReservationMaterialInventoryService;
+import com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.po.ReservationMaterialInventoryQueryListPO;
 import com.mhd.oms.domain.reservationMaterialInventory.repository.todo.ReservationMaterialInventoryDO;
@@ -88,6 +89,13 @@ public class ReservationMaterialInventoryDomainService {
         return materialInventory.getInventoryQuantity();
     }
 
+    /**
+     * 根据物料编号查询库存批次最近5条过期日期+批次号（入库业务单新增页面下拉回显）
+     */
+    public List<MaterialInventoryExpiryBatchPO> selectRecentExpiryBatches(String materialCode, Long topOrganizationId) {
+        return materialInventoryService.selectRecentExpiryBatches(materialCode, topOrganizationId);
+    }
+
     /**
      * @description:库存查询列表
      * @param materialInventoryQueryListDO
diff --git a/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java b/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
index 16f52281b..bae725a5c 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
@@ -177,6 +177,20 @@ public class ReservationMaterialInventoryApi extends BaseController {
         return AjaxResult.success(materialInventoryApplicationService.getInventoryByStorageLocationIdAndMaterialBaseInfoId(storageLocationId, materialBaseInfoId));
     }
 
+    /**
+     * 入库业务单新增页面：根据物料编号查询其库存批次过期日期+批次号，去重取最近5条，
+     * 供前端下拉回显；用户也可点击右侧"日期"小图标手动选择日期
+     */
+    @ApiOperation("根据物料编号查询库存批次最近5条过期日期+批次号")
+    @GetMapping(value = "/queryRecentExpiryDates/{materialCode}")
+    public AjaxResult queryRecentExpiryDates(@PathVariable("materialCode") String materialCode)
+    {
+        if (StringUtils.isBlank(materialCode)) {
+            return AjaxResult.error("物料编号不能为空");
+        }
+        return AjaxResult.success(materialInventoryApplicationService.selectRecentExpiryBatches(materialCode));
+    }
+
 
 
     /**
diff --git a/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml b/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
index dd3ab9e73..1bea8b465 100644
--- a/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
+++ b/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
@@ -557,4 +557,21 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         FROM NGWL_TEST_WMS.material_bar_code
         WHERE material_base_info_id = #{id} AND del_flag = 1
     </select>
+
+    <!-- 入库业务单新增：根据物料编号查询其库存批次的过期日期+批次号，去重后取最近5条，供前端下拉回显 -->
+    <select id="selectRecentExpiryBatches" resultType="com.mhd.oms.domain.reservationMaterialInventory.repository.po.MaterialInventoryExpiryBatchPO">
+        select distinct
+            date_format(a.expiry_date, '%Y-%m-%d') as expiryDate,
+            a.batch_number as batchNumber
+        from reservation_material_inventory a
+        left join NGWL_TEST_WMS.material_base_info b on a.material_base_info_id = b.material_base_info_id
+        where a.del_flag = 1
+          and a.expiry_date is not null
+          and b.material_code = #{materialCode}
+        <if test="topOrganizationId != null">
+          and a.top_organization_id = #{topOrganizationId}
+        </if>
+        order by expiryDate desc, batchNumber desc
+        limit 5
+    </select>
 </mapper>
\ No newline at end of file