The development of peer psychological mutual aid is helpful to stimulate the internalmotivation of college students to help others and themselves in terms of mental health and psychologicalquality growth. Through the construction of the peer psychological mutual aid team model, colleges anduniversities have important value in supplementing the psychological education team of colleges anduniversities, highlighting the main role of students, and giving full play to the unique advantages of peeridentity. This paper focuses on the current situation of the construction of peer psychological mutual aidteam in colleges and universities in China, and intends to summarize its successful experience, find outits possible problems, and put forward optimization methods, so as to provide help for further improvingthe system construction of the team model of peer psychological mutual aid associations in colleges anduniversities.