diff --git a/apps/product/management/commands/add_product_tag.py b/apps/product/management/commands/add_product_tag.py
index 6377fcac..01f5d7f7 100644
--- a/apps/product/management/commands/add_product_tag.py
+++ b/apps/product/management/commands/add_product_tag.py
@@ -7,7 +7,7 @@ from tqdm import tqdm
 
 
 class Command(BaseCommand):
-    help = '''Add add product tags  networks from old db to new db.
+    help = '''Add product tags  networks from old db to new db.
               Run after add_product!!!'''
 
     def category_sql(self):
@@ -101,14 +101,12 @@ class Command(BaseCommand):
             p.tags.clear()
         print('End clear tags product')
 
-
     def remove_tags(self):
         print('Begin delete many tags')
         Tag.objects.\
             filter(news__isnull=True, establishments__isnull=True).delete()
         print('End delete many tags')
 
-
     def product_sql(self):
         with connections['legacy'].cursor() as cursor:
             cursor.execute('''
diff --git a/apps/product/management/commands/check_serial_number.py b/apps/product/management/commands/check_serial_number.py
new file mode 100644
index 00000000..d9caf69a
--- /dev/null
+++ b/apps/product/management/commands/check_serial_number.py
@@ -0,0 +1,20 @@
+from django.core.management.base import BaseCommand
+from tag.models import Tag, TagCategory
+from tqdm import tqdm
+
+
+class Command(BaseCommand):
+    help = '''Check product serial number from old db to new db.
+              Run after add_product_tag!!!'''
+
+    def check_serial_number(self):
+        category = TagCategory.objects.get(index_name='serial_number')
+        tags = Tag.objects.filter(category=category, products__isnull=False)
+        for tag in tqdm(tags, desc='Update serial number for product'):
+            tag.products.all().update(serial_number=tag.value)
+            tag.products.clear()
+
+        self.stdout.write(self.style.WARNING(f'Check serial number product end.'))
+
+    def handle(self, *args, **kwargs):
+        self.check_serial_number()
diff --git a/apps/product/migrations/0019_product_serial_number.py b/apps/product/migrations/0019_product_serial_number.py
new file mode 100644
index 00000000..eb8bef34
--- /dev/null
+++ b/apps/product/migrations/0019_product_serial_number.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.7 on 2019-11-21 09:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0018_purchasedproduct'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='serial_number',
+            field=models.CharField(default=None, max_length=255, null=True, verbose_name='Serial number'),
+        ),
+    ]
diff --git a/apps/product/models.py b/apps/product/models.py
index 6d3e4954..b125c7eb 100644
--- a/apps/product/models.py
+++ b/apps/product/models.py
@@ -218,6 +218,10 @@ class Product(GalleryModelMixin, TranslatedFieldsMixin, BaseAttributes,
     comments = generic.GenericRelation(to='comment.Comment')
     awards = generic.GenericRelation(to='main.Award', related_query_name='product')
 
+    serial_number = models.CharField(max_length=255,
+                            default=None, null=True,
+                            verbose_name=_('Serial number'))
+
     objects = ProductManager.from_queryset(ProductQuerySet)()
 
     class Meta: