If the patient has fever after microwave ablation surgery, it is considered to be related to the absorption of heat caused by the necrosis of tumor cells. Physical cooling such as wet compresses with ice packs can be used, and medications such as acetaminophen tablets can be taken orally as prescribed by the doctor. If the body temperature can not be reduced to normal for a long time, it should be considered whether there is infection, and should consult doctor in time. 1. Physical cooling: you can drink more water, sweating and other methods to accelerate the body metabolism, with a wet towel to wipe the body, rubbing alcohol on a large area of the skin, ice packs and other methods to reduce fever. 2. Medication: Oral acetaminophen tablets or ibuprofen suspension antipyretic can be taken as prescribed by the doctor to reduce body temperature. Microwave ablation fever after surgery, such as a long time body temperature can not be reduced to normal, should be considered whether the combined infection, patients should go to the hospital in a timely manner, to clarify the cause of the targeted treatment, to avoid delays in the condition, resulting in unnecessary harm to the body.