Operation Scenario
This document describes how to edit tags of resources.
Use Limits
There are several limitations on editing tags:
- Quantity: each resource can have at most 50 tags.
- Tag key limitations:
- You cannot create tag keys that start with
qcloud
, tencent
, and project
as they are reserved for the system.
- Tag keys can only contain
numbers
, alphabet characters
, +=.@-
, and must be less than 255 characters.
- Tag value: tag values can only contain
empty strings or numbers
, alphabet characters
, +=.@-
, and must be less than 127 characters.
Prerequisites
Log in to the CVM Console.
Directions
Editing the tag of a single instance
- On the Instance management page, select the instance of which the tags need to be edited and click More > Instance Settings > Edit Tags, as shown below.

- Add, modify, or delete tags in the “1 cloud resource(s) selected” pop-up window based on your needs.
You can batch edit tags of up to 20 resources at one time.
- On the Instance management page, select the instances of which the tags need to be edited and click More Actions > Instance Settings > Edit Tags on the top, as shown below:

- Add, modify, and delete tags in the “n cloud resource(s) selected” pop-up window based on your needs.
Operation Examples
For information on how to use tags, please see User Guide on Tags.
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