Children always bite the lower lip, you can use the following methods to deal with and guide: 1, must be timely to stop the child biting the lower lip behavior, not to be able to turn a blind eye. When the child appears such behavior, tell the child that it is not right and should be stopped in time. 2, should be more tolerant of the child’s nervousness, anxiety and subconscious biting the lower lip behavior, especially to relieve the child’s anxiety, nervousness, especially when the child is nervous, easy to fear, this time to improve the child’s self-confidence, more encouragement, while allowing the child to express courage, more opportunities for the child, let the child 3, should also let the child learn to divert attention, especially the behavior of biting the lower lip, should not let the child themselves excessive concern, excessive entanglement, but will be more concerned about the behavior is more obvious, the higher the frequency, but let the child appropriate diversion, do not let These behaviors appear frequently and may slowly subside.