A child can develop a fever after a heat stroke. Heat stroke is due to being in a high temperature, high heat environment, radiation heat to the body increases or strenuous exercise to produce too much heat, which can lead to the body heat can not be adequately distributed, so that the heat in the body to accumulate and cause damage. Typical manifestations of heat stroke are high fever (above 41℃), absence of sweating and impaired consciousness. Predisposing symptoms include generalized weakness, fatigue, dizziness, headache, nausea, reduced sweating, followed by a rapid rise in body temperature, drowsiness, delirium or coma, dry skin, burning, no sweating, flushing or pallor, can also be cyanosis, cardiac arrhythmia, shallow and rapid respiration, and later on nodding respiration, twitching of the limbs and muscles of the whole body. In severe cases, shock, heart failure, pulmonary edema, cerebral edema, hepatic and renal failure and disseminated intravascular coagulation can occur. Whether it is a child or an adult, heatstroke should be actively cooled down after the treatment, due to the child’s sweat gland function is not complete, need to carry out physical cooling treatment, such as ice compresses, spraying water mist, etc.; if necessary, you can follow the doctor’s instructions to use drugs such as ibuprofen, acetaminophen, etc. to reduce fever. When the child has the above symptoms, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment.