Eight-month-old babies with teeth may have fever, but it is usually a low fever of stress, not more than 38 ℃, if the baby has a high fever, it is recommended to seek medical attention in a timely manner. When the baby’s teeth are developing, the baby’s mouth may feel uncomfortable, and at the same time, there will be a low fever, such as mental state, appetite is good, can be observed dynamically, without special treatment. If it exceeds 38.5℃, bacterial infection needs to be considered and prompt medical consultation is required. But the baby fever may also have other reasons, it is recommended to go to the hospital in time for relevant examinations, clear causes of the disease and then actively targeted treatment, so as not to delay the baby’s condition. Fever is a symptom of the disease, should actively find the cause of fever, and for the cause of treatment.