Lips are always peeling and nutritional element deficiency or body dehydration caused by, can also be seen in the lipitis, tongue licking dermatitis or febrile diseases in the late stage. Need to go to the hospital dermatology consultation in time, under the guidance of the doctor medication. 1. The body lacks B vitamins, and it is easy to have the symptom of dry and peeling lips. 2. The body is seriously lack of water, easy to cause dry and flaky skin, mostly seen in people who have difficulty in drinking water or hot areas. 3. Lipitis is currently of unknown etiology, mainly related to immune system disorders, the use of poor-quality lipstick or skin care products are also prone to appear. 4. Tongue licking dermatitis is mainly caused by long-term lip licking, mostly seen in winter and fall, more common in young children, and obsessive-compulsive psychology has a certain relationship. 5. Feverish illnesses tend to speed up blood circulation, so that water evaporates too quickly, sometimes dry and flaky lips and skin. There may be other reasons why the lips are always peeling, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease and treat the symptoms.