Psychologically, trichotillomania can also cause low self-esteem, often due to the patient’s appearance and negative attention from onlookers, resulting in peer avoidance and the patient’s own fear of social interaction. Some patients may wear hats, wigs, paint their eyebrows or style their hair to avoid negative attention. So what can we do in life to prevent improvement? 1, as a child, pay attention to the development of personality is very necessary Do not give too much, too stereotypical requirements for the prevention of obsessive-compulsive disorder is very helpful, especially the parents themselves have bad personality should pay attention to. Participate in collective activities and cultural and sports activities, engage in more work with ideals and interests, cultivate hobbies in life to establish new excitement to suppress the pathological excitement. 2, adopt a natural attitude when there is compulsive thinking do not confront or neutralize with the opposite idea, to do what should be done with anxiety. When there are compulsive actions, understand that this is a form of overreaction against nature, and gradually reduce such actions and reactions until they are the same as normal people. Consistent practice will be beneficial. The key to prevention is to pay attention to mental health, learn positive methods and techniques to deal with various kinds of stress, increase self-confidence, not to avoid difficulties, and develop the mental quality to withstand hardships and setbacks.