Lip infections in children may be related to environmental irritants, such as excessive dryness and cold. It may also be related to bad habits such as lip licking and lip biting, and the treatment needs to eliminate the irritating factors and medication if necessary. 1. Elimination of irritating factors: the environment may trigger the occurrence of lipitis factors should do protective measures, such as avoiding excessive sun exposure or cold air, strong wind stimulation, etc., to maintain a certain degree of indoor humidity. Adjustment of frequent lip licking and lip biting and other bad habits. Do not eat spicy and irritating foods to avoid irritation of the lip mucosa. If necessary, use moisturizing lip balm. 2. medication: general care does not relieve, can be impregnated with 5% saline and other disinfectant anti-inflammatory liquid sterilized defatted cotton pads applied to the affected area, 1 to 2 times a day, each time 15 to 20 minutes. After gently wiping the softened scales or scabs, the affected area is coated with antibiotic or glucocorticoid ointment, such as gentamycin ophthalmic ointment and tretinoin cream. Children’s lipitis, it is recommended that timely medical treatment, medication should follow the doctor’s instructions.