High fever refers to a person’s axillary body temperature has reached between 39.1-40 ℃, in the clinical appearance of this temperature: first, timely oral non-steroidal antipyretic and analgesic drugs, such as ibuprofen, acetaminophen, etc., after taking these drugs, be sure to drink more boiled water in a timely manner. On the one hand, drinking more water can replenish high fever or take antipyretic drugs, resulting in sweating after the loss of water; on the other hand, it can also play a role in promoting the body’s metabolism and speed up the discharge of toxins. Second, take physical cooling measures to assist in reducing fever, you can use warm towels or alcohol to rub the whole body surface vascular parts, such as bilateral armpits, chest, popliteal fossa these parts, so as to promote heat dissipation, play the role of antipyretic. Third, pay attention to more rest. After the above treatment, after 0.5-1 hours or so, the body temperature will be gradually decreased. If the body temperature does not drop but continues to rise, it is recommended to promptly seek medical advice to clarify the cause of the high fever by completing the necessary tests, and promptly treat the cause to control the body temperature.