剥脱性唇炎系唇部粘膜慢性脱屑性炎症。多见于中年,无明显季节性。病因不明。可能与日光照射,局部化学因素的刺激如唇膏、口红、牙膏以及嗜食辛辣刺激食物、附近病灶(如脂溢性皮炎)或不良习惯(如舔唇)等有一定关系。 Exfoliative cheilitis lip mucosal chronic desquamative inflammation. More common in middle age, no obvious seasonal. The cause is unknown. May have some relationship with sunlight, local chemical stimuli such as lipstick, lipstick, toothpaste and spicy food irritation, nearby lesions (such as seborrheic dermatitis) or bad habits (such as licking lips).