The mobile company must change the card in person. With the rapid development and perfection of network technology, network services are becoming more and more popular. When handling a mobile phone card, users must register their real-name authentication information in order to use it normally. When handling the card replacement business, the personal information of the user in the mobile phone card must be compared with the face recognition information. After the comparison is successful, the mobile phone card can be replenished. So the mobile company must change the card in person.