In children, shallow caries in six-year-old teeth can be treated non-surgically without filling, and if there is tissue loss, restorative treatment is needed. The principle of caries treatment is related to the degree of caries, early enamel caries without dental defects can choose non-surgical treatment, such as the use of fluoride to prevent caries, used for fossa closure as well as the early stage of caries prophylactic filling, commonly used 75% sodium fluoride glycerol paste, 8% fluoride stannous solution and so on. If caries is present in milk teeth, it can be treated with silver ammonium fluoride preparations. If caries development leads to parenchymal defects in the tooth tissue, it is necessary to take filling surgery to treat, such as silver amalgam filling, which can achieve the purpose of restoring the original form and function of the teeth. In addition, composite resin direct bonding restoration is also an option. Children’s six-year-old teeth shallow caries generally do not fill, but still need to be combined with the specific circumstances of the judgment, parents are advised to bring their children to the doctor for examination, a clear diagnosis, choose the appropriate treatment. At the same time, let the child develop good hygiene habits, diligent brushing, more mouth rinsing.