Heat stroke is a common disease in summer, which is called “summer syncope”, “summer wind”, and “closed evidence” in Chinese medicine, and is believed to be caused by a deficiency of vital energy in the body. It is believed that this disease is caused by a deficiency of vital energy in the body, and the summer heat evil takes advantage of the deficiency and enters the body, burning the Yang Ming and offending the heart. According to the severity of the disease, heat stroke can be divided into three types: aura heat stroke, mild heat stroke, and severe heat stroke. Aura heat stroke is characterized by profuse sweating, thirst, dizziness, blurred vision, tinnitus, palpitations, chest tightness, nausea, weakness, lack of concentration, numbness of the limbs, and a body temperature not exceeding 38°C. In this case, if you can rest in time and get away from the heat, you may be able to get away from the heat. At this time, if you can rest in time and get out of the hot environment, you can generally recover in a short time. In mild heatstroke, the above symptoms are aggravated, the body temperature rises to more than 38 ℃, the face is flushed or pale, sweating, wet and cold skin, weak pulse, accelerated heart rhythm, blood pressure drops and other signs and symptoms of respiratory and circulatory failure. In severe heat stroke, the condition is even worse, as seen in high fever, no sweating, flushed face, decreased blood pressure, and even coma, endangering the patient’s life. In one summer, more than 10,000 people died due to heat stroke in France, which became a front-page news story in the world media. Therefore, we must pay enough attention to heatstroke and have appropriate preventive and control measures to ensure that we can spend the hot summer peacefully. 1, pay attention to do to prevent heatstroke and cool down. Try to avoid prolonged exposure to the sun, open-air work to wear a straw hat that can shade the sun. To rationalize the working hours, heat stroke is most likely to occur between 12:00 noon and 2:00 p.m. Therefore, field work should be early, late, extend the lunch break to avoid the hottest time. Must also frequently drink more water, on the one hand, to replenish the consumption of fluid, on the other hand, drinking water to replenish the source of sweat, through sweating is conducive to heat dissipation on the body surface. 2, reasonable nutrition rest at the right time. Choose fresh fish, shrimp, chicken, duck and other high quality protein food with less fat, fresh fruits and vegetables, especially appropriate to eat more bitter gourds and vegetables, such as bitter gourd, is conducive to clearing the summer heat. To have a good sleep, only sleep and eat well to nourish the Jin Qi and replenish consumption. In addition, pay attention not to drink strong wine and eat spicy food. 3, Chinese herbal medicine benefit qi yin to prevent summer heat. You can use 15 grams of prunus ginseng, 10 grams of maitake, 15 grams of yucca, 10 grams of chrysanthemum, 10 grams of Xiaquan grass, 5 grams of licorice. If the tongue is yellow and greasy, then add patchouli 15 grams, pelargonium 15 grams boiled water for tea. 4, once heatstroke occurs, the patient should quickly get out of the hot place, move to a cool and ventilated place, open the top, and take Rendan, Huoxiang Zhengqi water or ten drops of water, and apply cool oil on the temples. For those who are in a coma, use fingers to pinch or needles to pierce the Renzhong, Hegu and Neiguan points, and use cold water towels on the head, armpits and inner thighs to speed up heat dissipation. Those in severe coma should be sent to hospital immediately to avoid delay in treatment.