The decision to cover or dissipate a fever is based on the period of the patient’s fever. Fever is categorized into a period of rising temperature, a period of fever, and a period of falling temperature. When the patient is in the period of rising body temperature, it may be due to the accumulation of heat generation, resulting in chills, chills and other symptoms, at this time, you need to cover the heat, cover the heat by adding more clothes and blankets, drink hot water and so on. When the patient is in the period of fever, the body will have the symptom of generalized fever, at this time the need to dissipate heat; when the patient is in the period of falling body temperature, the patient may have the symptom of parchedness, at this time the need to dissipate heat, reduce clothing and blankets. The patient’s pores are all in an open state during heat dissipation, and the condition may be aggravated if he catches a cold, so it is still necessary to pay attention to warmth and avoid catching a cold during heat dissipation. During the period of fever, if necessary, you can also be under the guidance of the doctor through physical cooling, medication and other methods of treatment, and at the same time pay attention to drink more water.