Due to the high temperature and hot weather in summer, we remind everyone to do all the measures to protect themselves from the sun and heat before going out, pay attention to the regulation of indoor and outdoor temperature, and drink more water to maintain good health. Meteorology defines a daily maximum temperature greater than or equal to 35 degrees Celsius as a “high temperature day” and more than five consecutive “high temperature days” as “sustained high temperature”. The temperature is too high, the gastrointestinal function is stimulated by the heat, its function will be relatively weakened, easy to happen head heavy tiredness, chest and epigastric depression, loss of appetite and other uncomfortable symptoms, and even cause heat stroke, injury to health. In hot weather, try to avoid outdoor work or activities in strong sunlight, especially in the afternoon high temperature time and the old, weak, sick, young people; in outdoor work or activities, to avoid prolonged exposure to the sun, while taking sun protection measures: wear light-colored or plain clothing, with sun hat, straw hat or play sun umbrella; drink more water, especially salt water, carry with you heatstroke medicine, such as: cool oil, wind oil essence etc. In high-temperature workplaces, enterprises should take effective measures to prevent heatstroke, strengthen the publicity of heatstroke knowledge among staff, reasonably deploy workers’ working hours, avoid outdoor work during high-temperature periods, and reduce labor intensity. You can also regulate the diet, drink some mung bean soup, with lotus seeds, mint, lotus leaves and japonica rice, sugar porridge is not only sweet and refreshing, or excellent heat relief medicine, can effectively prevent heatstroke, to avoid heatstroke. The summer heat, high temperature, often make people tasteless, sleep, dizziness, headache, weakness, and even nausea, vomiting and other symptoms, in order to safely spend the summer, families should prepare some heatstroke medicine, common drugs and food are: ten drops of water: can clear the summer heat and disperse cold. It is suitable for dizziness, nausea and vomiting, chest tightness and diarrhea caused by heat stroke. Huo Xiang Zheng Qi water: can clear the summer heat and relieve the table. It is suitable for those who suffer from dizziness, abdominal pain, vomiting and diarrhea due to cold in summer. Qingliang oil: It can clear the heat and detoxify the body. It can treat dizziness and headache caused by summer heat, or diarrhea caused by cold. Honeysuckle: It has the effect of dispelling summer heat, detoxifying and relieving dysentery. Drink with boiling water as a substitute for tea. Chrysanthemum: has the effect of eliminating summer heat, calming the liver, diuretic and so on. Patients with high blood pressure is particularly suitable. Drink with boiling water as a substitute for tea. Lotus leaf: suitable for heatstroke caused by heartburn, chest tightness, dizziness and headache, especially for patients with high blood pressure. Watermelon: watermelon is a natural white tiger soup, has a good role in clearing heat and nourishing yin, is a good summer to summer heat and drink. Symptoms of heatstroke and first aid 1, the symptoms of heatstroke (1) aura heatstroke: a large amount of sweating, thirst, dizziness, tinnitus, chest tightness, palpitations, nausea, increased body temperature, general weakness. (2) Mild heat stroke: In addition to the above symptoms, body temperature of 38℃ or more, flushing, chest tightness, with pallor, nausea, vomiting, profuse sweating, wet and cold skin, blood pressure drop and other early symptoms of respiratory and circulatory failure. (3) Severe heatstroke: In addition to the above symptoms, fainting spasms, dry skin without sweating, body temperature of 40 ℃ or more and other symptoms. 2, first aid measures after heat stroke: (1) quickly move the patient to a cool, ventilated place. (2) Remove or loosen the clothes and make the patient lie down to rest. (3) Give the patient a cool drink containing salt or cool boiled water containing 0.1% to 0.3% salt. (4) Wipe the body with cool water or alcohol (focus on bilateral axillae and groin) to help dissipate heat. (5) Send patients with severe heat stroke to hospital immediately for emergency treatment.