When the human body is infected with herpes virus, fever to 39 ℃ and persistently does not subside, belongs to high fever, mostly seen in acute febrile diseases, it is recommended to take antipyretic drugs, commonly used drugs are ibuprofen, indomethacin, etc.. In addition, other measures can be taken to relieve fever symptoms: 1, antiviral drug therapy: for patients with herpes infection fever 39 ℃ serious condition, can be given timely antiviral treatment, the clinical commonly used acyclovir, adenosine monophosphate to give intravenous antiviral treatment; 2, physical cooling: you can use warm water bath, or local use of ice packs cold, pay attention to avoid the herpes site, so as not to cause skin lesions The use of ice bags should be frequently changed to avoid frostbite; 3, diet regulation: first of all, you need to ensure that a lot of water. When the fever is high, high protein, high nutrition, easy to digest liquid diet, such as milk, soy milk, egg flower soup, thick rice soup, mung bean soup, lotus root powder, fresh juice, de-oiled chicken soup and vegetable soup, etc.. Eat less and more meals, and be sure to ensure the intake of nutrition. After the body temperature drops, you can change to a high-protein, high-calorie semi-liquid diet, such as noodles, rice porridge, wontons, fish, egg yolk, soybean products, etc., and eat more fresh fruits and vegetables. The body temperature returns to normal can be changed to a general diet, which can be meat and egg-based; 4. Other: when the temperature is high and does not go down, ensure bed rest and reduce activities. If the fever is accompanied by chills, pay attention to keep warm. Patients who sweat a lot should always wipe their sweat, change clothes, covers and other items in time, and keep the skin clean and dry to avoid getting cold. If the temperature drops, there is usually no need to worry too much, but if the fever persists or is accompanied by other uncomfortable symptoms, it is recommended to consult a doctor in time to avoid delaying treatment.