Baby 37.7 ℃ belongs to low fever, should first use physical cooling, can properly remove excess clothing, use warm water for wiping, cooling. When the baby has a low fever, should first be physical cooling, can properly remove excess clothing, easy heat dissemination; can use warm water in the palms and feet for wiping, so that the water evaporation to take away excess heat; in addition to drink more water, supplemental water; at the same time to monitor the temperature, if the temperature does not fall instead of rise, you can use ibuprofen drops under the guidance of the doctor and other medications for antipyretic. When the baby has a low fever, should also pay attention to rest, at the same time to avoid contact with the cold wind, so as not to aggravate the condition. If the low fever does not go down for a long time or the temperature does not go down but goes up, you should go to the hospital in time to get regular treatment as soon as possible, and please follow the doctor’s instructions for the use of medication.