P how to change someone else's name and mobile phone number into their own business card?

It is easy to realize with PS software.

After importing materials in ps, text is added to the materials. If you want to edit and modify the text again, click the text layer on the Select Layer panel. Click the text tool on the left toolbar.

After selecting the text tool, click the position of the text, the text will be framed by the text again, and then enter the editable state. Finally, modify and edit the text content as needed.