Babies with teething may have a fever, but the temperature is usually not high and usually lasts for about 1~2 days without other symptoms such as coughing and runny nose. However, if the fever is severe and lasts for several days without relief, and at the same time there are symptoms such as cough, phlegm, runny nose and other symptoms need to be alert to the possibility of other diseases. 1. Children in the teething period may appear mild fever, clinically known as physiological fever, the situation will not be particularly serious, the body temperature is generally not more than 38 ℃, and the duration of fever is relatively short, usually lasts for about 1 to 2 days, the body temperature can return to normal. There are no symptoms such as cough and runny nose. 2. If the child teething fever, accompanied by coughing, coughing, runny nose and other symptoms, may be acute upper respiratory tract infection, pneumonia, allergic rhinitis and other conditions, parents need to take the child to the doctor in a timely manner, improve the relevant examination, clear cause, follow the doctor’s instructions to give targeted treatment or treatment. When the baby is teething, parents should pay attention to let the baby rest more, appropriate more sunshine; pay attention to supplement protein, calcium, phosphorus, fluorine, vitamin A, vitamin C, vitamin D and other nutrients. If the child’s fever symptoms persist and the temperature is relatively high, parents need to take the child to a medical institution in time. Appropriate distraction of the child’s attention, as far as possible to let the child from the discomfort of the symptoms, which will be conducive to the normal eruption of teeth. Teething is a physiological phenomenon. In addition to low-grade fever during teething, individual children may have symptoms such as increased salivation, salivation (drooling), and sleep disturbance and irritability.