Thin white skin on the inside of the mouth may be a normal phenomenon, or there may be mouth ulcers, thrush and other problems that require general treatment or medication. 1. Normal phenomenon, some patients fall thin white skin on the inner wall of the mouth, may be caused by the metabolism of the oral mucosa, generally normal, you can drink more water, more rest, do not have to use medication. 2. Mouth ulcers, if the mouth ulcers, can be used under the guidance of the doctor cedir iodine tablets, watermelon cream, vitamin C and other medications to alleviate the symptoms. 3. Thrush, if it is caused by thrush, you can use antifungal drugs under the guidance of a doctor, such as mycotoxin, itraconazole, sodium bicarbonate gargle and so on. Usually need to pay attention to personal oral cleaning, maintain good eating habits.