37.8°C belongs to the abnormal value, belongs to the state of fever, low fever state, because the normal value of body temperature is in 36-37°C, and now it is 37.8°C is no longer in the normal value range. It belongs to the state of low fever, and the range of low fever is between 37.4-38℃. Temporarily do not need to use antipyretic drugs, physical cooling, can also achieve the effect of fever reduction. 37.8 ℃ can drink more water or ginger tea, porridge, and more rest, cover the quilt, in the form of sweating can reduce fever treatment.