The fever type of sepsis is not intermittent fever, but tension fever. Septicemia is mainly due to infection leading to dysregulation of the response, thus causing organ dysfunction, often causing fever symptoms, belonging to the infectious fever, known as sepsis fever, mainly manifested as fluctuating fever, not intermittent fever, the body temperature is often more than 39 degrees, and temperature fluctuation is relatively large, and fluctuation range is often more than 1 degree within 24 hours. Septicemia-induced fluctuating fever is often higher than the normal range even when the body temperature is at its lowest, and because of the high body temperature, it often leads to relatively high body consumption and damage to various systems. Septicemia-induced fever should be promptly consulted, cooperate with the doctor to take cooling treatment, and take treatment for the cause of the disease to avoid delaying treatment.