Frequent nail biting can be recovered through the following methods, such as shifting attention, wearing finger cots, psychological conditioning and so on. 1. Shift attention: When you find nail biting, it is recommended to shift your attention in time, do not be immersed in the behavior of nail biting can not be extricated, you can do some of your favorite things, such as listening to music, shopping, playing games, watching movies and so on. 2. Wear finger cuffs: To change bad habits in time, you can wear gloves and finger cuffs on your hands, which can alleviate the problem of nail biting. 3. Psychological conditioning: If there is a serious problem of nail biting, and accompanied by tension, anxiety and other psychological problems, can be considered through psychological intervention, as the family should give timely reminder to the patient, can take the patient to see a psychiatrist. Frequent nail biting can cause serious consequences, such as bacterial infection, suffer from onychomycosis, etc., it is recommended to pay attention to, as soon as possible to change their bad habits.