Dietary habits play an important role in children’s oral health care, should attract the attention of parents and implemented into daily life, not only for the oral health of children is beneficial, but also for the whole body health. Oral protection in infancy and early childhood, should pay attention to the following aspects: 1, balanced diet: infancy and early childhood, all the milk teeth and most of the permanent teeth are forming and calcification, is also a period of rapid physical growth and development, so ensure the supply of adequate protein, vitamins and rich inorganic substances, such as calcium, iron, phosphorus and other foods, in order to contribute to the normal development of teeth. 5-6 months old before should be obtained from breast milk formula All nutrition, after 5-6 months, it is recommended to add iron-rich dry cereals, provide appropriate snacks, sugar-free cereals, salt-free cookies and cheese, which can meet the needs of infants’ growth and development, but also develop their chewing ability and prepare them for over-weaning; 2. Promote breastfeeding: breast milk is the best natural food for infants, high in calories, rich in various nutrients that infants need It is also rich in enzymes and antibodies, which is good for infants to digest and absorb and resist diseases. When breastfeeding, you should pay attention to the breastfeeding posture, preferably in a seated position holding the child, and rotate the breastfeeding left and right to avoid affecting the growth and development of the baby’s jaw. From the perspective of maternal and child health care, breastfeeding on demand until 2 years old is advocated. In terms of oral health care, breastfeeding for a long time will also increase the risk of caries, so it is more important to advocate on-demand and regular feeding.