It refers to an acute disease in which the central nervous system and circulatory system are disordered due to the disorder of body temperature regulation in a high temperature environment. According to the severity of clinical manifestations, heatstroke can be divided into threatened heatstroke, mild heatstroke and severe heatstroke.

The main symptoms of threatened heatstroke are: headache, dizziness, thirst, sweating, weakness and pain in limbs, inattention, uncoordinated movements and other symptoms in high temperature environment; Normal or slightly elevated body temperature; If it is moved to a cool and ventilated place in time and supplemented with water and salt, it can be recovered in a short time.

Symptoms of mild heatstroke are: the body temperature is often above 38 degrees; In addition to dizziness and thirst, it is often manifested as flushing, sweating, burning skin, or cold limbs, pale face, decreased blood pressure and accelerated pulse. If handled in time, it can often be recovered within a few hours.

Experts remind that if there are signs of threatened heatstroke and mild heatstroke, the following measures should be taken: 1, quickly evacuate the high temperature environment that causes heatstroke, and choose a cool and ventilated place to lie down and rest; 2. Apply a cold towel to your head. If possible, you can use 30% alcohol to cool down. You can also apply cool oil and wind oil to your forehead and temples. 3, drink some light salt water or cool drinks, sober people can also drink some mung bean soup, or take Ren Dan, ten drops of water, Huoxiang Zhengqi water and other Chinese medicines; 4. If your blood pressure drops and you collapse, you should lie flat immediately and be sent to the hospital for treatment in time.

Yang reminded the public to scientifically choose effective methods to prevent heatstroke and other diseases.

First of all, we should form the habit of drinking water actively, because when people feel thirsty, their bodies are already in a state of water shortage. So don't wait for thirst before drinking water. Be sure to replenish water regularly. After getting up every morning, drink 10 or so, at 3-4 pm, and drink 1-2 cups of boiled water before going to bed at night. When sweating a lot, you can add some salt water appropriately to make up for the salt lost by sweating.

Secondly, keep enough sleep, because in summer, the days are long and the nights are short, the temperature is high, the human body's metabolism is vigorous, the consumption is also large, and it is easy to feel tired; Keeping enough sleep can relax the brain and body system, which is not only beneficial to work and study, but also an effective measure to prevent heatstroke.

Thirdly, be careful not to sleep under the air outlet of air conditioner and electric fan, so as not to get air conditioning disease and catch a cold. In addition, the diet should always be supplemented with nutrition, mainly light and digestible food. You can't eat more cold drinks, and you can't use beer and drinks to relieve the heat. You should eat more fresh fruits and vegetables.

Cold drink watermelon juice: 500 grams of watermelon juice, seeded, juiced in a juicer, added with 500 ml of cold boiled water, appropriate amount of sugar, and a little salt, and then put in the refrigerator to cool down and drink. The product has the effects of clearing away heat, relieving summer heat, promoting fluid production and quenching thirst.

Watermelon Cui Yi drink: 200g of fresh watermelon peel (called watermelon Cui Yi), washed and chopped, boiled in water for15min, cooled, dregs removed to get juice, and added with appropriate amount of white sugar to make tea for drinking. This product has the effects of clearing away heat, relieving summer-heat, and inducing diuresis.

Sour plum soup: 50g of ebony, 5g of osmanthus fragrans, and water 1000 ~ 1500ml. Soak ebony for half an hour, decoct for 15 minutes, then add osmanthus fragrans, boil for 1 ~ 3 minutes, then filter to get juice, add appropriate amount of white sugar and a little salt, and let future generations drink tea after cooling. This product has the effects of clearing away heat, relieving summer heat, stimulating appetite, promoting fluid production and quenching thirst.

Mung bean soup: mung bean100g, 20g of rice (adding a small amount of rice can remove the bitterness of mung bean), and 3000ml of water. Boil mung beans, rice and water in a pressure cooker for 20 minutes, and drink after cooling. This product has the effect of relieving summer heat and quenching thirst. (Use 100g mung bean and 200g rice to cook mung bean porridge, which has the effects of invigorating spleen, relieving summer heat and quenching thirst. ) double scented tea:

Honeysuckle (also known as Shuanghua): 10g, green tea 3 ~ 5g, soaked in boiling water instead of tea. Has the effects of clearing away heat and toxic materials, relieving summer heat and quenching thirst, and can prevent and treat dysentery and malnutrition.

Chrysanthemum tea: 10g white chrysanthemum, soaked in boiling water and added with appropriate amount of rock sugar, has the functions of clearing away heat and improving eyesight, relieving summer heat and quenching thirst, and is especially suitable for hypertensive patients to drink in summer.

Mint herbal tea: fresh mint leaves 10g, green tea 3 ~ 5g, soaked in boiling water, added with appropriate amount of sugar, and drunk after cooling, which has the functions of cooling and quenching thirst, expelling wind and relieving sore throat, and is suitable for people suffering from exogenous wind-heat in summer.

Lotus leaf herbal tea: 20 grams of fresh lotus leaf, soaked in boiling water, added with a little rock sugar, cooled and drunk, has the functions of relieving summer heat, quenching thirst, reducing fat and losing weight, and is suitable for obese people to drink in summer.

In addition, eating more fruits and vegetables such as watermelon, cucumber, tomato, peach and apricot in daily life can also prevent heatstroke.