The treatment of paranoid personality disorder should mainly use psychotherapy to overcome the personality defects of suspicious sensitivity, stubbornness, insecurity and self-centeredness. There are mainly the following methods. Cognitive enhancement method. Since patients are distrustful, sensitive and suspicious of others, and will not accept any well-intentioned advice, we must first establish a trusting relationship with them, exchange emotions on the basis of mutual trust, and fully introduce to them the nature, characteristics, and harmfulness of their own personality disorders. and corrective methods so that they can have a correct and objective understanding of themselves and consciously and voluntarily have the desire to change their personality defects. This is a prerequisite for further psychotherapy. Friends training method. Encourage them to take the initiative in making friends, learn to trust others in making friends, and eliminate their sense of insecurity. The principles and essentials of friendship training are

1. Meet each other sincerely and communicate sincerely. I must adopt a sincere and conscientious attitude to actively make friends. We must believe that most people are friendly, nice and trustworthy, and we should not be biased or distrustful of our friends, especially close friends. It must be clear that the purpose of making friends is to overcome paranoia, seek friendship and help, exchange thoughts and feelings, and eliminate psychological barriers.

2 Try to take the initiative to provide all kinds of help to close friends during interactions. This helps to exchange hearts for hearts, gain the other person's trust and solidify friendship. Especially when others are in trouble, they should help each other and know the true feelings in adversity. Only in this way can we gain the trust of friends and strengthen friendship.

3 Pay attention to the "psychological compatibility principle" of making friends: similarity and consistency in personality and temperament will help psychological compatibility and build a good relationship. In addition, gender, age, occupation, cultural accomplishment, and economic level There are also issues of "psychological compatibility" such as social status and hobbies, but the most basic condition for psychological compatibility is similarity and consistency in ideology and outlook on life. The so-called "like-mindedness" is to develop cooperation and consolidate friendship.