How to set the blacklist of Apple SMS?

Tools/materials: Apple iPhone 1 1, iOS 14.7, setting 1.0.

1, open SMS

In Apple's mobile phone information, click the message to be blacked out to open it.

2. Click the avatar icon.

After opening the message, click the avatar icon above.

3. Click the information option.

There will be some options under the avatar, click "Information".

4. Click to open the information details.

In the page that opens, continue to click "Information".

5. Click to block this calling number.

In the page that opens, click "Block this calling number".

6. Click to block the contact.

In the box at the bottom, click Block Contacts.