Fever cover sweating can reduce fever, because the organism, through sweating, can emit a large amount of heat out, which can play a role in lowering the temperature. In addition, after sweating, the patient with fever should replenish sufficient water to prevent the possibility of defecation, and avoid getting cold again to prevent the possibility of re-infection. Fever patients, in addition to a large number of supplemental water, to actively rest, do not smoke, do not drink alcohol, the diet should be light fluid, easy to digest food, do not eat pungent, cold, spicy, cold, as well as stimulating and greasy food, and at the same time according to the cause of the drugs given to the treatment, along with the effectiveness of the medication, the body temperature will return to normal, the condition will be under control. However, patients with persistent high fever are not recommended to be covered, but should adapt to lower the environmental temperature to promote body heat dissipation.