The peeling of the mouth is simple exfoliative lipitis or dry lipitis caused by dry lips, you need to carefully observe the peeling area, if there is a large area of peeling phenomenon, no obvious pain symptoms when opening the mouth or speaking, mainly itching, then it is exfoliative lipitis. It is recommended to choose to use oral medication with topical medication oral desensitizing class of drugs, such as cetirizine oral solution or ketotifen tablets, apply 0.03% tacrolimus ointment or 1% pimecrolimus ointment on the surface of the lips, 1-2 times a day, continuous treatment for about a month can basically cure. If there is dry, fine peeling with slight tearing pain in the lip area, it is dry lip infection, you can choose to use lip balm and drink a lot of water can fade away within a certain period of time.