The downloaded Youke Youxin is also called Youke Youxin Air Classroom. Youke Youxin is an educational information exchange mobile app software specially designed for educational management. After downloading and uninstalling this software, it will be downloaded in the app store to build an interoperability platform for school education and family education. Teachers will post notices, children's performance at school, learning situation, homework arrangements, etc. On the platform, parents can keep abreast of their children's situation, and easily realize point-to-point personalized interaction with teachers, which is not limited by mobile phone operators and supports mobility.