The causes of repeated peeling of the lips include physiological factors and malnutrition, lipitis and other disease factors, treatment includes medication and other methods. 1. Physiological factors: If the external environment is very dry, the patient can appear lips have been repeatedly peeling phenomenon, this is a physiological phenomenon, drink more water and often apply lip balm and other symptoms can be improved. 2. Malnutrition: If the patient is chronically malnourished, the lack of B vitamins on the lips will also appear peeling, then you can give vitamin B2 and other drugs to treat. 3. Lipitis: the cause is unknown, may be related to sun exposure history, contact with suspected allergenic substances or irritants. It can also lead to repeated peeling of the lips, this time you need to find and eliminate the possible causative factors as far as possible, local application of weak glucocorticoid cream such as Dinocap or calcium-modulated phosphatase inhibitors such as pimecrolimus, etc., together with the use of zinc oxide ointment or boric acid ointment to moisturize the lips. Finally, if your lips keep peeling again and again, please seek medical advice, and all the above medications must be prescribed by your doctor.