First aid 1. When the aura of heat stroke appears, evacuate the hot environment immediately. Rest quietly in the shade and take a salt drink. 2. Carry the patient to a cool place or air-conditioned room to rest flat, and loosen or remove clothes. 3.Wipe the whole body with a towel soaked with wet water and keep rubbing the limbs and skin. 4, if cooling treatment can not relieve the condition, promptly sent to the hospital for treatment. Caution 1, people are very weak after heatstroke, in the recovery process, the diet should be light and relatively easy to digest. Replenish the necessary water, salt, heat, vitamins, protein and other required nutrients. 2, after heatstroke do not drink a lot of water at once. Heatstroke patients should use a small number of times to drink water, each time to no more than three hundred milliliters is appropriate. 3, do not eat a lot of cold fruits and melons. Most heatstroke patients have a weak spleen and stomach, so eating large amounts of cold food and cold food will further damage the spleen and stomach Yang Qi, and in severe cases, diarrhea and abdominal pain will occur. 4, eat less greasy food to adapt to the digestive capacity of the stomach and intestines in summer.