The formation of adolescent mental health problems is a complex process involving many factors, including physiological, psychological, social, family and so on. Physiologically speaking, the body of a teenager is developing and growing. They may face some physiological problems such as insomnia, stress, anxiety, etc. In terms of psychology, teenagers are faced with complex psychological challenges such as growth, self-awareness, emotions, interpersonal relationships, etc. Such as the arrival of puberty, the enhancement of self-awareness, the instability of interpersonal relationships, etc. These challenges may cause emotional fluctuations, anxiety, depression, and other problems in teenagers. In terms of society, the competitive pressure in modern society is getting bigger and bigger. Teenagers are facing pressure from school, family, society and other aspects, such as academic pressure, interpersonal pressure, family conflicts and so on. These factors may cause problems such as anxiety and depression in teenagers. In terms of family, family education also had a great impact on the formation of mental health problems among teenagers. If the family education method is improper, such as overprotection, excessive intervention, lack of communication, etc., it may lead to loneliness, inferiority, depression and other problems for teenagers. The formation of adolescent mental health problems is a comprehensive process that requires the joint efforts and attention of many aspects such as biology, psychology, society, and family. If teenagers have psychological problems, they need to seek help and support in time to promote the development of mental health.