If a child has a fever after heatstroke, the treatment varies according to the degree of the fever and the accompanying symptoms. If a child has a low fever, the body temperature is usually not more than 38.5 degrees, physical cooling can be given, you can use alcohol rub or warm water bath. In addition, it is also important to pay attention to more hydration, drink more water or can also drink some light salt water, if possible, you can use oral rehydration salt. If you don’t want to drink, you can also drink watermelon juice, mung bean soup and other cooler, slightly sugary drinks, which children also prefer to drink. If the body temperature exceeds 38.5 degrees, in addition to the above treatment, antipyretic treatment should be given, commonly used drugs are acetaminophen, ibuprofen. It is important to note that if there is severe heatstroke resulting in a high fever of more than 39.5 degrees, or even 40 degrees, and there are serious symptoms such as coma and convulsions, you should immediately go to the hospital to do the corresponding rescue treatment.