Summer dermatitis, also known as summer dermatitis, is a frequent and common disease in summer. It can easily develop under continuous high temperature and high humidity, and the high incidence of summer dermatitis occurs from June to August every year. The disease is closely related to the temperature and humidity, and is aggravated by high temperature and humidity for a long time, while it improves significantly when the temperature drops and can gradually heal itself. The reason for this is that it is a common disease in the summer. It is a skin inflammation caused by the continuous high temperature and high humidity of the external environment, combined with a lot of sweating and lack of timely cleaning of the skin. In the hot days, the body sweats a lot, and the sweat of 99% of the water, the remaining 1%, half of the inorganic salts represented by sodium, potassium, half is urea, lactic acid, amino acid metabolism of organic matter. These inorganic salts and organic substances are not substances that normally exist on the surface of the skin, when the water evaporates, these substances will remain on the skin, the amount of a lot, a long time, it will form an irritation to the skin, resulting in skin inflammation. The typical symptoms occur on the extremities, especially the front of the two lower legs, with symmetrical onset. It starts out as corn-sized, relatively dense erythema, papules or papular blisters with pronounced itching and burning sensation. The itchiness is unbearable and scratching often results in streaks of scratches and scabs, which leave pigmentation after fading. Once summer dermatitis is caused, it is easy to repeat and re-occur, so it must be given full attention to prevent summer dermatitis. Differential diagnosis: This disease should be differentiated from prickly heat, papular urticaria, and eczema. Common inappropriate treatment: Many patients are prone to develop the disease every summer, and the inflammation will reduce or subside again when the temperature drops or until autumn cools. Itching of the skin should be avoided by vigorous scratching and not scalding with hot water. Some patients tend not to go to the hospital and buy some drugs for external use at will, and thus frequently misplaced in the forbidden area on the medication. Some patients like to use antibacterial drugs or topical creams for ringworm no matter what disease they have, but in fact antibiotics and antifungal drugs do not do much to improve simple summer dermatitis. This is because even if there is a small amount of bacteria or fungus on the surface of the skin, it is not the main cause of summer dermatitis. On the contrary, repeated exposure of the skin to unwanted medications not only does not help the recovery of the disease, but may induce skin allergies. Preventive measures: First of all, we should pay attention to heat prevention and cooling, in a particularly humid, muggy environment the skin is prone to poor perspiration, the heat in the body can not be dispersed will appear skin diseases; secondly, eat less spicy and stimulating things, eat more vegetables and fruits and other cool food. In addition, to keep the skin clean, you can use some baths containing Chinese herbal ingredients and antiseptic effect every day. Once a mild dermatitis or heat rash appears, dry the skin after bathing and put on some talcum powder, which can usually subside on its own. If the situation is more serious, you can use some ten drops of water in the bathing solution, will also play a role in sterilization, cleaning. The key to preventing summer dermatitis is to protect yourself from the sun and heat, especially for those who are sensitive to sunlight, so make sure you take protective measures when you go out and try to keep your skin clean and dry. If there is a skin rash, small blisters, intense itching and other symptoms to seek medical attention. Treatment: Treatment can be cold water rinse the affected area, wipe dry with a dry towel and then apply anti-cold anti-itch agent, such as topical application of furnace glycerine lotion or dexamethasone cream. You can also use the decoction of Chinese herbal medicine such as thornbush, windbreak, cypress, atractylodes, serpentine, and dermatoglyphus to fumigate. In case of severe itching, take antihistamines such as paracetamol, calcium or prednisone as appropriate. The Chinese medicine believes that summer heat, easy to make people depleted gas and injury, so the prevention and treatment of summer dermatitis pay attention to the benefit of gas and solid surface, to clear the summer heat and nourish Yin, to support the evil, which is important to resist the summer heat and poison injury to the body. You can choose any of the following: 30mls per time for adults, three times a day; 15mls per time for children, three times a day, for the prevention and treatment of summer dermatitis. The actual foodstuffs that are available in the marketplace are the same as the ones that are available in the marketplace. The actual food is a lot more than just a few of the most popular and popular foods in the world, such as the bitter melon, loofah, winter melon, raw lotus root, bean vegetables; fruits such as watermelon, cantaloupe, grapes; and foods such as duck meat, silver fungus, lotus seeds, lily of the valley, tofu, soy milk, kelp, etc. These foods all have the effect of clearing heat or generating fluid. At the same time, some spicy and stimulating foods such as wine, dog meat, mutton, leek, chili, mustard, etc. should be eaten sparingly or forbidden. You can also use mung bean soup, adzuki bean soup, rice kernel soup, etc. to take to clear the fire and dampness. In addition, the room should be kept ventilated and the skin clean and dry, and patients should wear breathable and soft pants.