37.8℃ is considered fever, which is a state of low fever. The average value of normal body temperature is between 36℃ and 37℃, beyond this range is fever. Fever is a relatively common state of illness, it is actually the body’s protective mechanism, reduce fever at the same time to check the cause of the fever, clinically common because of bacterial infection, treatment to deal with the cause. If the body temperature is floating around 37.8℃ for several times and there is no other discomfort, you can temporarily dispense with antipyretic treatment. At this time, you need to pay attention to rest and strengthen exercise appropriately. You can also wipe your face, chest and back with warm water to cool your body physically. If the temperature continues to rise, accompanied by dizziness, runny nose and other symptoms, you need to go to the hospital for routine blood tests to determine the cause of the disease. All in all, the body temperature of 37.8 ℃ does not need to take medicine urgently to deal with, you can first help to cool down the temperature through physical cooling methods. If the fever lasts for a long time or is recurrent, it is recommended to go to the hospital for a detailed examination to clarify the diagnosis and timely treatment.