Children biting their lips may be due to habit, teething period and other reasons, it is recommended that parents can correctly guide, distraction, find alternatives to improve and quit the bad habit of biting their lips. 1. Correct guidance: If you find that children often bite their lips, parents should correctly guide the child in a timely manner, tell him that this habit is not good, will become unattractive, etc., and inadvertently always pay attention to remind timely correction. 2. Shift attention: When you find a child biting his lips, you can shift the child’s attention, such as talking to him, singing together, playing games, playing the harmonica and other ways to relax the lips, slowly corrected. 3. Find alternatives: If the child is in the teething period, due to the stimulation of the teeth, will lead to children’s gums swollen and painful, want to find a way to vent, will often bite the lips, parents are advised to give the child teething stick or pacifier to replace, reduce the number of times of biting the lips, slowly quit. Parents should keep a good mindset and not be in a hurry to quit the bad habit of biting the child’s mouth. You can also let your child chew some slightly harder food to relieve oral irritation, but also to exercise the child’s chewing ability, to promote the healthy development of the jawbone.