37.7℃ belongs to the state of low fever, and the range of low fever is from 37.4℃ to 38℃, so it belongs to a mild fever. First of all, drink more water and take more rest. You can use the method of sweating to cool down the fever for treatment, such as you can drink warm porridge, then sweat and cover up for treatment. Secondly, you can drink some Chinese medicines, such as drinking Yu Ye punch, Ban Lan Gen, and Vitamin C Yin Qiao tablets to cool down the temperature. Finally, you can use the way of alcohol rubbing bath, or the method of ice for physical cooling, put ice or alcohol rubbing in the armpit, chest, forehead for cooling.