Mental health education for college students is a key link in promoting their all-around development and implementing the fundamental task of fostering virtue through education. This paper systematically explores its implementation approaches and working modes, including the implementation paths with curriculum teaching as the main channel and campus cultural activities as the infiltration approach, as well as the preventive and developmental mode for all students and the intervention and therapeutic mode for students with psychological distress. The research further analyzes the construction of the support system from the aspects of organizational teams, working mechanisms and condition guarantees, dissects the main problems faced by the current work, looks forward to the development trend of generalization, professionalization and informatization, and puts forward corresponding countermeasures and suggestions, aiming to provide a reference for constructing a scientific and systematic mental health education system.