The main causes of dry and peeling lips are the following: 1, dry environment, severe water shortage: may lead to dry and peeling lips, you can improve the symptoms by drinking water, you can also apply lip balm to moisturize the lip skin; 2, vitamin deficiency: especially the lack of vitamin A, vitamin B2, will also make the lips peeling and dry, you can supplement the relevant vitamins to improve the symptoms, but also eat vegetables and 3, lip skin infection: lips may also have the phenomenon of skin, you need to use the relevant antibiotic ointment to apply the skin to relieve the symptoms; 4, autoimmune diseases: such as dry syndrome, systemic lupus erythematosus, etc., can lead to dry skin, while the lips will also be dry, peeling; 5, diabetes: in the unstable blood sugar control body dehydration, lips will also be dry, you need to target It is necessary to treat the original disease, and at the same time ensure the moistening of the lips.