Abstract: mental health is the necessary condition and foundation for the all-round development of college students.Explicit education of mental health has a clear educational purpose and content.Educational factors include educators'own understanding and feelings; Recessive education of mental health refers to the content, process and goal of education, which are usually not directly expressed, It is expressed in hidden ways, such as after class communication, wechat Q& A, etc.The explicit education of mental health has a dominant impact on College Students'daily behavior, and the implicit education of mental health has an auxiliary impact on College Students'daily behavior.The combination of explicit education and implicit education process can finally play a virtuous circle of educational effect on College Students'daily behavior and have double utility.