This paper is the exploration of the postgraduate' poor mental health problems in recent years. Based on the students' negative psychology, it analyzes the causes of health problems and proposes reasonable countermeasures so as to improve their mental health effectively. Based on the analysis, through the establishment of a mental health education service system, conducting mental health surveys and consultations, and holding diversified psychological education activities, the students' unhealthy psychological problems are expected to be improved and excellent personnel are to be trained.