Caries adjacent to the teeth can be treated with medication and surgery as prescribed by the doctor, and the maintenance of the oral environment should also be strengthened. 1. Medication: For part of the teeth adjacent to caries, 75% sodium fluoride glycerin paste, 8% fluoride solution such as tin fluoride, and silver ammonium fluoride and other medications can be used as prescribed by the doctor in order to control the degree of caries damage. 2. Surgical treatment: applicable to caries-induced dental tissue defects, common surgical methods include amalgam filling, composite resin direct bonding restoration, inlay restoration, etc., and appropriate surgical methods can be selected according to the actual condition. Daily attention should be paid to the rationality of diet, avoiding the intake of high-sugar food. Pay attention to oral hygiene, develop good habits such as brushing in the morning and evening, rinsing after meals, and also pay attention to regular dental checkups. It is recommended that people with caries on the adjacent surfaces of the teeth should choose the appropriate treatment plan according to their condition and after assessment by the doctor, and should not use drugs or prescriptions indiscriminately on their own.