The phenomenon of wrinkled and tight lips may be physiological reasons, but also may be pathological reasons, such as perioral dermatitis, chronic lipitis. 1. Physiological reasons: due to the body drinking too little water, weather or regular licking lips and the phenomenon of wrinkled and taut lips, which is a normal physiological phenomenon, can be properly supplemented to alleviate the symptoms. 2. Pathological causes: (1) perioral dermatitis: refers to the inflammatory dermatosis of the upper lip, chin and nasolabial groove, etc., can appear the phenomenon of wrinkled and tight lips, accompanied by itching, burning sensation and other symptoms. (2) chronic lipitis: a chronic, non-specific lesion of the lips, can be manifested as dry, cracked and flaky lips and other symptoms, can also appear lips wrinkled tight phenomenon. If the above symptoms and exclude physiological reasons, it is recommended to identify the cause and actively cooperate with the doctor for treatment.