The child’s six-year-old teeth have a little shallow caries, generally can be treated by surgical treatment, drug treatment, filling treatment and so on. 1. Surgical treatment: such as grinding method, which is suitable for large shallow caries, difficult to form holes and poor retention of fillings in the milk teeth. It not only stops the development of caries, but also prevents caries by using instruments to grind away carious tissues, sharp edges and margins, polishing the surface to eliminate the environment where food and plaque are retained, and then treating the surface of the teeth with medication. 2. Medication: For patients with early enamel caries in permanent teeth that have not yet formed cavities, the method of inhibiting caries development with medication on the basis of grinding away the caries is commonly used, such as silver ammonia nitrate and sodium fluoride. 3. Filling treatment: If shallow caries occurs in six-year-old teeth, after grinding away the caries and part of the tooth tissue, resin can be used for filling to prevent further development of caries. Parents are advised to help their children take good care of their teeth, keep their mouths clean and have regular dental checkups.