37.5°C is usually a low fever, and prompt treatment with appropriate measures is recommended. Generally normal body temperature is not a specific temperature point, but a temperature range. The deep body temperature of the organism is more constant and uniform, called deep body temperature, while the body surface temperature is affected by a variety of factors and varies and varies widely, called superficial temperature. The body temperature referred to clinically is the average deep temperature, which is generally represented by the axillary temperature, and its normal value is 36.0℃-37.0℃, so 37.5℃ is fever. Physical methods can be used to cool down the temperature, such as warm water baths and, if necessary, fever-reducing medication under the guidance of a doctor. In addition, patients should pay more attention to rest, do not engage in strenuous activities and sports, avoid fatigue; diet should pay attention to eating light, easily digestible food, such as white porridge, noodles, vegetable soup, etc., and prohibit the consumption of cold, greasy, spicy and stimulating food; eat fresh vegetables and fruits appropriately to meet the body’s demand for vitamin C and improve the body’s immunity and resistance.