Hyperthermia can be caused by a variety of causes, to find the cause of its pathogenesis, to take measures to actively protect, specifically as follows: 1, warmth, so that the patient bed rest, drink more water, not less than 2000ml of sugar saline or plain water per day, do not use drinks containing more sugar; 2, physical cooling, physical cooling can take ice packs to reduce brain congestion, edema, ice from the refrigerator, put in a hot water bag, the It is best to use ice water, cool water to wash down the ice to avoid its edges, placed in a hot water bag to the brain or put local stimulation, as well as alcohol bath; 3, drug treatment, to the hospital to do blood pathogenic microbial culture and examination to find the cause, to give active viral treatment, or anti-bacterial treatment, anti-bacterial definitely need to use antibiotics and other symptomatic drugs. If it is a viral hyperthermia definitely should be active antiviral, give a combination of Chinese and Western medicine. If there is a primary, biological infection in the blood, at this time, a culture should be done to see the cause. Do the process of examination, find the problem should do targeted treatment, do not delay, high fever patients do not do timely treatment of patients have great harm.