If you have a large number of instances, you can bind tags to facilitate classification and management. Each tag is composed of a key-value pair, enabling you implement two-level classification for the instances you created.


  • Up to 10 tags can be bound to a single instance and they must have unique TagKeys. Tags with the same TagKeys are overwritten.
  • You cannot bind/unbind more than 5 tags immediately.
  • Tag information is independent in different regions.
  • After unbinding a tag, if it is not bound to any other instances, it is deleted.


  1. Log on to the RDS console.
  2. Select the region where the target instance is located.
  3. Add tags to the instances. There are two methods:
    • Add tags to a single instance: Locate an instance, and click More > Edit tags .
    • Add tags to multiple instances: Select multiple instances, and click Edit tags.

  4. If you want to add a new tag, click Create. Enter the tag Key and Value, and click Confirm.
    If you want use the existing tags, click Available Tags, select the tag key and tag value, and click Confirm.

  5. When the tags you need have been added to the tag table, click Confirm.