With the advancement of network technology and the rapid development of mobile communication, WeChat has become an important tool for people's daily communication, learning and other activities. It has also become an important part of young students learning and life. However, WeChat has both positive cfects and negative effects on students' physical and mental health. The school should actively use the WeChat platform to promote mental health knowledge, master students' psychological dynamics, carry out psychological counseling services, and promote peer psychological support activities to play its role in mental health education, so that it can better play its potential parenting functions.