In adolescence, students are in the stage of rapid physical and mental development, but physical development is often faster than psychological development. Subjectively speaking, on the one hand, studentsundefined self-consciousness ability and social consciousness ability have been greatly developed; on the other hand, due to the lack of social experience and experience, self-consciousness and self-evaluation are not mature, social consciousness and evaluation are often superficial. From an objective point of view, in todayundefineds society, with higher and higher expectations of education, parents always have high hopes for their children, regardless of their actual situation, some students lack effective communication with their classmates in class, and do not have the feeling of being accepted by others. It is recognized that there is a lack of a more harmonious and relaxed learning environment. Under the action of subjective and objective factors, students often bear a high psychological burden. With the passage of time, it is bound to cause some studentsundefined anxiety and frustration. As the saying goes, mental illness still needs psychotherapy. For some students with mental illness, as head teacher, only by talking to students individually, can we really understand the causes of studentsundefined mental illness, enlighten and guide students, adjust their emotions and psychology, help students untie their knots, restore their self-confidence, and determine the correct action.