Two-year-old children can brush their teeth, at this time the milk teeth have erupted, should pay attention to oral hygiene. 1. Pediatric milk teeth more than 4 ~ 10 months after birth began to erupt, mostly within 3 years of age, 2-year-old children have grown milk teeth, should pay attention to oral hygiene, good oral care. Therefore, 2-year-old babies can brush their teeth to prevent caries in their milk teeth. 2. Young children should be slowly trained to brush their teeth, you can first use a toothbrush dipped in warm water to help young children to adapt, to be young children to adapt to the toothbrush, you can use children’s special toothpaste to replace the warm water. Effective brushing can better clean the mouth and control dental plaque. At the same time, attention should be paid to dietary regulation, control of sugar intake of young children, pay attention to the nutrition and general health of preschool children, to better protect the growth of young children. In summary, two-year-old children can brush their teeth, specific can consult a professional physician’s opinion.