Cheilitis should be treated in the department of oral mucosa. Cheilitis is a general term for diseases that occur on the lips and is a type of inflammatory reaction. There are many classifications of cheilitis; by the speed of the disease's development, it can be divided into acute cheilitis and chronic cheilitis, with acute cheilitis often being an acute inflammatory reaction of the lips caused by allergies. If classified by clinical symptoms, cheilitis can be categorized into eczematous cheilitis, erosive cheilitis, and exfoliative cheilitis, which may involve white scaling on the lips. Cheilitis can also be classified based on its cause, including granulomatous cheilitis, benign lymphoproliferative cheilitis, and hypersensitivity cheilitis, and it can also be related to systemic diseases. Cheilitis, a disease that occurs on the lips, has a relatively high incidence rate.