According to the survey, the incidence rate of children’s dental caries is as high as 90%, which seriously endangers the physical and mental health of children. Parents should pay attention to children suffering from dental caries, and start to do a good job of dental protection since childhood. To master the oral and dental health care methods: 1, pay attention to oral hygiene from childhood This is the key to prevent “worm teeth”, from childhood to form the habit of brushing teeth in the morning and evening, rinse mouth after meals, choose fluoride toothpaste and health care children’s toothbrush, teach children the correct method of brushing teeth – the vertical brushing method. -The vertical brushing method. 2.Create good feeding habits from childhood After feeding children each time, remove food residue with gauze in time and massage gums, and pay attention to feeding milk before bedtime without adding sugar and giving only white water. According to the survey, the incidence rate of children’s caries is as high as 90% 3.Socket sealant to prevent caries When children’s teeth erupt, they can go to the hospital and use the socket sealant to apply on the tooth surface to protect the teeth, the material can be retained in the socket fissure for a long time after curing, blocking the erosion of bacteria, which is an effective method to prevent caries. 4.Improve diet structure, balanced diet Give different kinds of food such as fruits, dairy products, cereals, vegetables, meat, eggs and other foods rich in vitamins, calcium, phosphorus, fluorine, less food with high sugar content, balanced diet helps children’s dental health. 5, correct the child’s bad habits Children are small poor self-discipline, some will unconsciously bite fingers, lip sucking, tongue licking, open mouth breathing, sideways chewing, etc.. These habits can cause malocclusion in children. Once found, parents should give timely correction. 6, regular oral examination Every six months take the child to the dental hospital for oral examination.