Fever can be clinically divided into three phases: First, the temperature rise period that the patient’s body temperature is rapidly or gradually rising stage, this period can be long or short, clinically the patient has chills, chills, goose bumps and other clinical manifestations, so this period is also known as the chills period. Second, the peak period that the temperature fluctuations in the higher level of time, this period is also known as the auditory period, due to high fever so that the skin water evaporation faster, so this period of the patient can be manifested as dry skin or lips. Third, the anabolic period, that is, the body temperature gradually declined to the normal level of the stage, this period of the patient sweats more, the skin is more moist, so it is also known as the sweating period.