The psychological reason for the love of tearing the skin of the hands is mainly related to psychological tension, or emotional instability, especially in some scenes after the patient has torn the skin of the hands, the patient feels that by tearing the skin of the hands of the behavior, can reduce the self-tension, and then formed such a habit for a long time. In some cases, the habit is formed by imitating others, and the skin around the fingers is damaged and sometimes infected. For this situation, the main clinical method used is behavioral training. For example, through the system of rewards and punishments to enable patients to realize that reducing the tearing of the skin of the hand can be rewarded accordingly, and subside this bad behavior of the patient. In addition, the patient can also be distracted to participate in games or activities to reduce the patient’s anxiety. Relaxation training is also effective in clinical application, through the continuous formation of relaxation habits. When the patient has anxiety, the automated relaxation training can help the patient to relax as soon as possible, and reduce the situation of tearing the skin of the hand.