Taking Xiaomi 9 as an example, the steps are as follows: 1. Open the "Album" icon on the desktop of the phone.

2. Click the "+" symbol in the lower right corner of the album page.

3. The New Album dialog box will pop up, enter the folder name and click OK.

4. After the creation is successful, you will be asked about the photos to be added. At this time, click "Album" to select.

5. Find the picture you want to add in the album list, check it and click the check mark in the upper right corner.

6. Ask about the adding method and choose according to personal needs.

7. After the addition is completed, the system returns to the album page, and you can see the newly created folder.

8. After clicking to enter, you can see the photos added in the previous categories.