Avoidant personality disorder, also known as anxiety personality disorder, is characterized by excessive nervousness and worry, fearfulness, and sensitivity to rejection or criticism. In clinical practice, what we mainly see is that the person is afraid of being criticized or judged in social situations, and because of these fears, he may choose not to participate in social situations, or in social situations, unless he is sure that he is welcome in the social situation, and if he is not sure, he will not go to social situations. Another is always in this state of tension, fear, especially in social situations, for the rejection and evaluation of over-sensitive, and therefore in the process, will have a lot of restrictions on his life, such as what places he absolutely can not go, what kind of people must be avoided, so his life will be particularly restrictive. He may also have some inferiority complex, believing that he is awkward in social situations and is far inferior to others.