Heatstroke want to vomit should be immediately out of the hot environment, timely hydration, take physical cooling or infusion treatment. 1. Get out of the hot environment: after heatstroke should be promptly transferred to a cool, well-ventilated environment, so as not to continue to be in a high-temperature confined environment to make the condition worse. 2. Supplementary water: heatstroke due to sweating, vomiting easy to make the body water electrolyte disorders, it is recommended to drink saline to replenish the body lost water and salt. 3. Physical cooling: heatstroke patients can take cold towel ice packs, warm water bath and other ways to cool down. 3. Infusion treatment: If the vomiting is heavy, you should go to the hospital in time, appropriate amount of supplemental fluids to maintain water and electrolyte balance. In summer, attention should be paid to the prevention of heatstroke and cooling to avoid heat stroke or even pyrexia.