Babies usually start to erupt from around six months of age and usually have all 20 milk teeth by around two and a half years of age. During teething, every infant will have different symptoms, usually pain, may be grumpy or drooling, and especially love to chew things, gums may be swollen and pus, sleep uneasily or have fever with elevated temperature. Parents are advised to give soft food, and if the fever is high, it is recommended to lower the temperature in time, such as fever temperature is relatively high, it is recommended to go to the hospital in time for treatment. During the period of teething, it is recommended to give the child more teething sticks, and to give fruit puree, mashed potatoes and other exercises to exercise the child’s chewing action, to promote the gums of the breakthrough to grow new teeth. If the new teeth have already erupted, it is recommended to give timely treatment of brushing to avoid caries.