Lips skinned and cracked, mostly considered to be due to chronic desquamative labiitis, dry weather, bad habits, allergic labiitis and so on. 1. Chronic desquamative labiitis: this kind of situation is mostly seen in the fall and winter cold and dry season, or the body lacks vitamins caused by the main manifestation of the lips skin, flaking, tight lips, pain, and so on. 2. Dry weather: the weather is too dry, the body will continue to lack of water, do not get timely supplementation, the lips will have waste skin accumulation, causing lips peeling, cracking, and even bleeding phenomenon. 3. Bad habits: some patients like to lick their lips, or tear off the dead skin on the lips, which in the long run will induce symptoms such as skinned lips, dry cracked lips, redness and bleeding. 4. Allergic Lipitis: This kind of problem is mostly due to contact with airborne allergens, food, cosmetics, drugs and other related factors caused by inflammation, the patient’s lips will have obvious itching sensation, skinned and cracked, red congestion or local edema and white signs. The patient excludes the lips skinned and cracked due to physiological phenomena, should go to the local hospital in time for relevant examination, and according to the doctor’s instructions for appropriate treatment.