Adolescence is a vulnerable period of life and a time when anxiety disorders are likely to occur. Individuals develop faster during this period and are at a turning point of physical and mental changes. With the maturation of organs and the emergence of secondary sexual characteristics, individuals may feel mystified and even overwhelmed by their physical, physiological and psychological changes. For example, girls are afraid to lift their breasts due to breast development, nervous and uneasy due to the first menstruation; boys appear sexual impulses, seminal emission, masturbation after the panic, self-blame, etc.. All these will have a great impact on the psychological, emotional and behavioral of adolescents. And as they grow older, the stronger the instinctive urge of desire will be, making them explore the mystery of the opposite sex, eager to interact and contact with the opposite sex, and even generate sexual fantasies. However, due to the lack of or receive inappropriate sex knowledge education in the process of growing up, adolescents formed their own evaluation system, and will think that those physical changes, some of their inner thoughts and behavioral impulses are immoral, is bad, dishonorable, is unique to their own, will be considered a bad child ……. Therefore, inevitably in the psychological contradictions and conflicts, triggering symptoms, such as fear, nervousness, shyness, loneliness, low self-esteem and worry, may also be accompanied by headache and dizziness, insomnia, dreaminess, dizziness and weakness, dry mouth and anorexia, panic and shortness of breath, hypersensitivity, emotional instability, weight loss, anxiety, behavior will appear afraid to meet people, reluctant to interact with others, isolate themselves, avoid social activities, etc., the appearance of these symptoms These symptoms will definitely lead to a significant decrease in the efficiency of study and work, and seriously endanger the physical and mental health of adolescents. If not adjusted in time, it may lead to other more serious consequences. To prevent the occurrence of puberty anxiety, reasonable sex education is very necessary, as parents should pay attention to their children’s growth process, should be informed in advance about the physiological health knowledge of puberty and normal psychological changes, when the child has this problem needs, should be given positive correct explanation, to avoid panic and anxiety due to the physical and psychological changes of puberty. At the same time, children should be educated to establish a correct ideological outlook and to have ambitious ideals and goals in life. Although it is a normal phenomenon to have some cravings and impulsive desires during adolescence, people should have their own higher needs and ambitious ideals for which they must strive. When adolescent anxiety disorder occurs, it should be treated reasonably and promptly, generally with psychotherapy as the main treatment, together with medication. In the psychological treatment, the physician will first give education on physiological and psychological aspects, and will also specifically use psychoanalysis, deep relaxation therapy, hypnotherapy, positive psychotherapy and other psychological treatments. Some appropriate medications will be used according to the specific situation.