A row of small white spots on both sides of the cheeks of the inner wall of the mouth is considered to be a physiological phenomenon, but may also be the emergence of oral leukoplakia, thrush and other diseases. 1. Physiological phenomenon, the oral cavity walls on both sides of the cheeks from a row of small white spots may be fat grain, if there is no obvious pain and itching and other symptoms, is generally normal. 2. Oral leukoplakia, clinically, oral leukoplakia may lead to lesions in the oral mucosal tissues, so this symptom will occur. 3. Thrush, if the oral cavity is infected by fungi may lead to thrush, so there will be a row of small white spots on both sides of the cheeks of the inner wall of the oral cavity, accompanied by bleeding, pain and other symptoms. Usually need to eat more light food, it is best not to be stimulated by spicy.