diff --git a/apps/pum/migrations/0003_puorder_materials.py b/apps/pum/migrations/0003_puorder_materials.py
new file mode 100644
index 00000000..52ece2f2
--- /dev/null
+++ b/apps/pum/migrations/0003_puorder_materials.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.2.12 on 2023-12-01 05:36
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0025_auto_20231120_1139'),
+        ('pum', '0002_alter_puorderitem_material'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='puorder',
+            name='materials',
+            field=models.ManyToManyField(blank=True, related_name='pu_order_materials', through='pum.PuOrderItem', to='mtm.Material', verbose_name='多个物料'),
+        ),
+    ]
diff --git a/apps/pum/models.py b/apps/pum/models.py
index 9eae5ccf..ec009c5c 100644
--- a/apps/pum/models.py
+++ b/apps/pum/models.py
@@ -58,6 +58,8 @@ class PuOrder(CommonBModel):
         Supplier, verbose_name='供应商', on_delete=models.CASCADE)
     delivery_date = models.DateField('截止到货日期', null=True, blank=True)
     submit_time = models.DateTimeField('提交时间', null=True, blank=True)
+    materials = models.ManyToManyField(
+        Material, verbose_name='多个物料', blank=True, through='pum.puorderitem', related_name='pu_order_materials')
 
 
 class PuOrderItem(BaseModel):
diff --git a/apps/pum/serializers.py b/apps/pum/serializers.py
index 57b5fa93..e6e62a3a 100644
--- a/apps/pum/serializers.py
+++ b/apps/pum/serializers.py
@@ -4,7 +4,7 @@ from apps.utils.constants import EXCLUDE_FIELDS_DEPT, EXCLUDE_FIELDS_BASE, EXCLU
 from rest_framework.exceptions import ValidationError
 
 from apps.pum.models import Supplier, PuPlan, PuPlanItem, PuOrder, PuOrderItem
-from apps.mtm.serializers import MaterialSerializer
+from apps.mtm.serializers import MaterialSerializer, MaterialSimpleSerializer
 
 
 class SupplierSerializer(CustomModelSerializer):
@@ -83,6 +83,8 @@ class PuOrderSerializer(CustomModelSerializer):
         source='create_by.name', read_only=True)
     update_by_name = serializers.CharField(
         source='update_by.name', read_only=True)
+    materials_ = MaterialSimpleSerializer(
+        source='materials', many=True, read_only=True)
 
     class Meta:
         model = PuOrder