Seven months of the baby fever 37.7 degrees may be caused by viral or bacterial infections, need to symptomatic treatment as well as causative treatment, such as timely cooling, if necessary, to comply with the doctor’s instructions for the use of antibiotics, such as amoxicillin as well as cefdinir and so on. 1. Symptomatic treatment: the baby fever reached 37.7 degrees need to be timely cooling treatment, such as can give the baby drink warm water, reduce wear clothing, keep indoor air circulation, can also give the baby use warm water to wipe the body. At the same time monitor the body temperature, if necessary, also need to use antipyretic drugs under the guidance of the doctor, such as acetaminophen. 2. Treatment of the cause: need to actively take the baby to the regular hospital, clear what causes the fever, in targeted treatment, if it is a viral infection, due to the virus has a self-limiting, the course of the disease is usually not more than a week, usually do not need special treatment, only need symptomatic treatment. If the fever is caused by bacterial infection, antibacterial treatment is needed, such as amoxicillin and cefdinir and other antibiotics can be used under the guidance of the doctor to treat. Fever is a symptom of the disease, you should actively find out the cause of fever, and treat the cause of the disease.