Adolescent syndrome greatly affects school and work, and some adolescents are even in pain. How can adolescent syndrome be prevented? 1, correct understanding of themselves and acceptance of themselves. Knowing oneself is self-awareness, and the relationship between self-awareness and behavioral adaptation to mental health is extremely close. Generally speaking, the closer the self-knowledge is to its own actual situation, the stronger the adaptability of God will be, and the more able to maintain psychological health; on the contrary, the greater the gap between the self-knowledge and its own actual situation, the weaker the social adaptability, and the more likely to produce psychological problems. 2, gradually improve the ability to suffer setbacks. Frustration exercise is the use of frustration scenarios that can occur at any time and anywhere, purposeful exercise, so as to enhance the ability to cope with a variety of unpredictable setbacks. Frustration has the essence of obtaining the psychological experience of frustration, and on this basis, through their own efforts to overcome frustration in order to improve the ability to withstand frustration. 3, efforts to control their negative emotions. Good and stable emotion is the basic condition of mental health. Control their negative emotions, first of all, should have the right way of thinking, know that everything is impossible to develop smoothly according to their subjective wishes; secondly, must correct the deviation of self-evaluation, to avoid unnecessary negative emotions. 4, to consciously expand the scope of interpersonal interaction. Actively participate in various activities of interest, such as playing ball, chess, swimming, etc., in order to distract the influence of adolescent syndrome on oneself and get rid of this persistent disorder as much as possible.