Babies are prone to bite objects and bite people during the teething period, mainly because the baby’s gum surface is swollen and even itchy during this period is very uncomfortable and needs to be rubbed to reduce this discomfort. First, parents can buy some sterilized toys that are specifically suitable for babies to bite during this period. This toy must not be too hard, can be made of rubber or silicone, the baby can be put in the mouth to play the role of massage gums. Second, parents can use a wet cloth dipped in water to clean the baby’s mouth and massage the gums, the baby will also feel very comfortable and reduce the discomfort of the teething period. At around three years old, the baby’s milk teeth will fully erupt and this situation will gradually decrease.