For younger babies, parents can use sterile gauze dipped in water to clean the newly erupted milk teeth in the baby’s mouth, especially for teething babies, parents can massage the gums while cleaning through sterile gauze to reduce the discomfort caused by teething, or you can buy a finger toothbrush to brush the baby’s teeth, the finger toothbrush is very simple to use, which is set in the hands of parents. It is best not to dip the brush in salt water or toothpaste to avoid poor swallowing function of the baby, swallowing too much salt water or toothpaste into the stomach, affecting the health of the baby. The baby clean mouth, also do not ignore after feeding must be fed some water in time to reduce the milk stains in the surface of the milk teeth overlay, to avoid the occurrence of bottle caries.