1. Enter WeChat, select "I" below, select "Settings" in personal information, select "Chat" after entering the settings, and select "Chat Background" in the chat settings. Select the method to get the background picture. Select a photo to set up and complete the unified chat background setting.

2. Open the mobile phone WeChat and click Settings on my page. Find the chat record in the middle. Chat background, click. Choose a background picture according to your own needs, you can choose from a few pictures that come with the system, you can choose from an album, and you can also take pictures.

3. The specific steps to set the global background on WeChat: Open the WeChat application and enter the chat page. Click the "+"sign in the upper right corner and select the "Settings" menu. In the settings menu, find the chat background option, and then click Enter.

4. First, open the login mobile phone WeChat; Click more buttons in the upper right corner, find the settings, and click Enter; Select General, and then click Chat Background.

5. Click Settings on the WeChat "I" interface. Select chat. Click on the chat background. Click to apply the selected background image to all chat scenes and confirm.