The first thing you need to do is to find out the cause of the inner cheek being worn by the teeth, go to the stomatology department, check the teeth corresponding to the worn position, if there is a sharp edge ridge, you need to adjust the grinding; if it is the cause of wisdom teeth, we need to see if the wisdom teeth are growing correctly, if they often cause pain, if there are wisdom teeth of the opposite jaw, if there is no retention value, you can consider extracting the wisdom teeth. In addition, we need to pay attention to oral hygiene, dietary care, check for mucosal lesions, etc., if necessary, orthodontic treatment. 1, maintain oral hygiene: to maintain good oral hygiene, to prevent infection, you can use mouthwash, such as rehabilitation of new liquid gargle, 3-4 times a day, containing a mouthwash 3 minutes or so spit out, half an hour later, and then drink water to gargle or eat, the above methods to promote the abrasion of the The above methods are effective in promoting the healing of the mucous membrane and reducing pain as soon as possible; if there is redness and swelling around the abraded position, you can consider using anti-inflammatory drugs for anti-inflammation, such as amoxicillin capsules, etc.; 2. dietary care: temporarily do not eat spicy and stimulating food to avoid aggravating the pain of the abraded position; 3. check for mucosal lesions: you need to check whether there are abnormalities in the mucous membrane on the inner side of the cheek, such as the presence of parotitis, parotid duct If there is parotitis, blockage of parotid ducts, white spots of mucous membrane in the mouth, etc., it is also necessary to deal with them accordingly; 4. Orthodontic treatment: If the teeth of the broken cheek are not in the right position, some of them can be treated by orthodontic treatment.