The problem of long-term nail biting can be restored to normal using a variety of methods: 1, actively divert attention, not to be immersed in the nail biting behavior can not be extricated, when they want to bite their nails, you can promptly do other things, such as when they are nervous, anxious, anxious, chatting with good friends, go shopping, etc., these methods can divert attention, but also can do their own favorite things, such as playing games, watching videos, watching movies, etc., these can make you stop biting your nails. The first thing that you can do is to play a game, watch a video, watch a movie, etc. These can make you stop biting your nails. 2, you must correct bad habits in time, especially the problem of nail biting, you can use small methods to alleviate this problem, such as commonly used can be set on the arm of a small leather band, when you bite your nails to play yourself a little, to remind yourself that you should not bite your nails. Or when you have a nail biting problem, you can wear gloves, finger covers, etc. These methods can alleviate the nail biting problem. 3, if there is a serious nail biting problem, and accompanied by tension, anxiety, compulsive and other psychological problems, you can consider taking medication, or even psychological intervention, these methods can be effective in controlling the nail biting problem.