The common causes of children’s mouth peeling are physiological factors such as dryness, bad habits, etc., and pathologic causes, including lipitis, eczema, etc., need to go to the hospital in time to find out the cause of the disease. 1. Physiological factors: the weather is too hot, the air is dry, the indoor environmental temperature is too high, wearing clothes too thick and other factors will accelerate the loss of water in the child’s body, the child will be dehydrated after the mouth peeling phenomenon. The child’s bad habits such as licking lips, picky eaters lead to malnutrition, etc. can also lead to mouth peeling. 2. Pathological factors: Lipitis is a general term for inflammatory diseases that occur in the lips, and factors such as climate change and local irritation can lead to the occurrence of lipitis. The main symptoms are repeated inflammation and peeling of the lips. The child is allergic after some allergen stimulation will produce an allergic reaction caused by lip skin eczema, the disease will lead to itching lips peeling, can be accompanied by erythema blisters. When the child appeared mouth peeling discomfort, parents should take the child to the hospital in time, follow the doctor’s instructions for treatment.