Mouth always peeling may be physiological dryness (can drink more water, apply lipstick, etc.), lipitis (can be wet compresses, topical medication, etc.) or seborrheic dermatitis (need to eat a light diet, can be topical medication, etc.), and so on, and need to be specifically analyzed. 1. Physiological dryness: when the mouth is dry, there will be peeling, which can be relieved by drinking more water and applying lip balm. 2. Lipitis: when suffering from lipitis can appear in the mouth peeling, available saline local wet compresses, local can be coated with antibiotic ointment (such as gentamycin ointment, etc.), hormone ointment (such as fluoride ointment, etc.), and so on. 3. seborrheic dermatitis: when suffering from seborrheic dermatitis, there can be a skinned mouth, need to eat a light diet, oral B vitamins (such as vitamin B2, etc.), local antibiotic ointment (such as erythromycin ointment, etc.), hormone ointment (such as fluoride ointment, etc.), and so on. There are many causes of the mouth always peeling, it is recommended to timely dermatology consultation, symptomatic treatment, so as not to delay the condition.