Campus Union APP is mainly used in the daily life of university teachers and students. Its main functions include dining, repair application, charging, etc. The main purpose of Campus Union is to facilitate the daily life of teachers and students, avoid the trouble of recharge and renew of the card, and make their life easier and safer. Campus Union integrates WeChat payment and Alipay payment, so that teachers and students can recharge dormitory electricity fees through online payment, which is more convenient and efficient.