1, vitamin D, calcium and phosphorus are essential nutrients for the development of teeth “sunbathing” can promote the synthesis of vitamin D. 0 ~ 2 years old babies are generally used routinely vitamin AD preparations to prevent rickets. Breast milk and infant formula are rich in calcium and phosphorus, an indispensable source of nutrients for the development of baby teeth. 2.Reasonable feeding Timely addition of complementary foods to the baby, both supplemental nutrition, but also help the development of milk teeth. Eat more fibrous food, appropriate amount of protein, vitamin A, D and calcium, phosphorus, etc., can improve the teeth’s ability to resist caries. 3, dental exercise Give the baby some harder food, such as cookies, dried bread, apples, pears, etc., both exercise teeth and increase nutrition. You can use the teeth trainer made of silicone, let the baby put in the mouth to chew, in order to exercise the baby’s jawbone and dental bed, so that the teeth erupt after the alignment. 4, milk teeth cleaning When the baby grows the first milk teeth, you have to use clean gauze to help its teeth cleaning. After each breastfeeding, after feeding and at night should let the mother with gauze wrapped around the finger to help the baby scrub the gums and just exposed small teeth. After two years of age, you should help your baby prepare a toddler toothbrush with a small head and soft bristles, and teach your baby to brush his or her teeth twice in the morning and twice in the evening. Can also feed the baby after eating some warm water to play the role of rinsing the oral cavity, but also after dinner every day with 2% soda to clean the mouth, to prevent bacterial reproduction and the occurrence of dental caries or oral infections. 5, don’t ignore the dentist check after all the milk teeth eruption, it is best to give the baby every six months for an oral examination.