Prickly heat is a common summer skin disease in children. Itching, stinging, and burning often make children irritable, and the symptoms are aggravated by heat, affecting their sleep and eating. The formation of prickly heat is due to the high temperature in summer, the body will be through sweating and sweat evaporation to dissipate heat, reduce the body temperature, if too much sweat secretion, or air humidity is too large and the environment is not ventilated, sweat can not evaporate in time and remain on the surface of the skin, it will make the skin cuticle impregnated, soft, blocking the sweat hole, sweat hole is blocked, sweat glands still continue to secrete sweat, because it can not be discharged, sweat swollen the sweat pipe. The sweat swells the sweat ducts and flows into the surrounding tissues, causing local inflammation and redness, which is called prickly heat. To prevent prickly heat, pay attention to indoor ventilation and keep the environment cool to reduce sweating and sweat can evaporate quickly after sweating; also take a warm bath regularly, not only to clean the skin, but also to facilitate the discharge of sweat, immediately after the bath to wipe dry, wipe dry after puffing prickly heat powder, prickly heat powder can absorb sweat and keep the skin dry. For children who already have prickly heat, pay attention not to scratch, you can use prickly heat powder containing mint and ice chips, which has a cooling and anti-itch effect, and add flower lotion to the bath water, which also has a certain preventive effect on prickly heat. Diet is very important for the prevention and control of prickly heat, using dietary therapy for prickly heat has a very good prevention and control effect. 1, eat more watermelon in summer, watermelon is abundant, watermelon not only has the role of heat, cool blood to quench thirst, but also can prevent the occurrence of prickly heat. The watermelon rind is a traditional Chinese medicine, called “watermelon Tsui Yi”. The watermelon rind washed and sliced to boil soup, or make dishes, long-term consumption, also has a good effect on the prevention of heat rash. 2, eat more bitter food Bitter melon is the best choice. The bitter melon can improve appetite, clear heat and relieve summer heat, eat more bitter melon can also prevent the occurrence of prickly heat. 3, drink three bean soup mung beans, red beans, black beans, these three beans boiled together into soup, Chinese medicine called “three bean soup”. The three bean soup has the effect of clearing heat and detoxifying the body, strengthening the spleen and relieving dampness, and is known as a good health product for children in summer. If you start taking it from the beginning of summer, there are few children who have prickly heat. The boiling method is to use 10 grams each of mung beans, adzuki beans and black beans, add 600 ml of water, decoct into 300 ml on low heat, and drink the soup with the beans, it is advisable to take it often. If you add 20 grams of barley to the soup, the effect is even better. If prickly heat has already started, use 60 grams of winter melon, add water and decoction soup to drink, one dose per day for 7-8 days; or mung beans, fresh lotus leaf, add water and decoction; or winter melon, kelp, mung beans decoction soup, add sugar, and take for 7-10 days. All of them can have a therapeutic effect on the prickly heat that has already started.