With the rapid development of modern life rhythm and social environment, the pressure of life, study, employment, family and emotion of contemporary college students is increasing day by day, and even a large number of students enter the psychological sub-health state. Under the guidance of the fundamental education task of moral education in the new era, the importance of mental health education continues to increase. Vocational colleges should not only comprehensively promote the reform and optimization of mental health education, but also pay attention to the construction of students’ positive psychological quality, so as to build a systematic and efficient mental health education service system. In this context, this paper conducts research, analyzes the significance of mental health education for students in higher vocational colleges, summarizes the problems of mental health education for students in higher vocational colleges, and then puts forward the strategies of mental health education for students in higher vocational colleges based on the perspective of positive psychology.