Dental fillings for children generally do not have disadvantages or hazards, only risks; children may cause damage to other parts of the mouth or risk choking due to lack of cooperation. The purpose of dental fillings is to block the progress of bacteria to continue to reproduce in the teeth, leading to deepening of caries, damage to the dentition or periodontal health, will not jeopardize the health of children’s oral cavity and body, but due to the children’s natural active, do not cooperate with the treatment, in the process of filling, due to the sharp instruments, may accidentally damage the healthy dentition periodontal tissues, and at the same time due to the saliva is more, in the process of filling, choking and coughing and may be The instrument may be swallowed or swallowed by mistake. It is recommended that when children are filling their teeth, more psychological guidance for young children to eliminate fear, and actively cooperate with the physician’s treatment, which is conducive to the healthy development of oral teeth, jawbone and periodontal.