37.3℃ is usually a low fever. It is recommended to seek prompt hospital consultation to clarify the cause and take appropriate measures. Generally normal body temperature is not a specific temperature point, but a temperature range. The body temperature referred to clinically is usually mostly represented by the body temperature of the armpit, whose normal value is 36.0℃-37.0℃, so 37.3℃ is considered a fever. Its mainly seen in viral colds and other infectious diseases, if accompanied by fever and runny nose, sore throat and other symptoms, most of them are common colds, which can be treated with medication under the guidance of a doctor, but you can also drink more hot water to play a role in reducing fever. In addition, if the temperature is measured after exercise or after a meal, it may also be a physiological increase in body temperature. Patients should pay more attention to rest, avoid fatigue, pay attention to a light diet, avoid cold, greasy, spicy and stimulating food, and can eat fresh vegetables and fruits appropriately to improve the immunity and resistance of the body.