Cold compresses are used to reduce fever and to dissipate heat from the body. Usually a towel is placed on the forehead, bilateral armpits, groin and feet. At the same time, the patient should drink more water, rest more, eat liquid and easily digestible food, and do not eat spicy and stimulating high-fat food. For example, you can drink eight-pot porridge, mung bean porridge, noodles and noodles, eat fresh seasonal vegetables and fresh fruits, and avoid straining and excessive exposure to cold. It is recommended to go to the hospital for relevant laboratory tests to clarify the cause of the fever and give symptomatic medication for treatment.