I. What is pediatric hand, foot and mouth disease? Pediatric hand, foot and mouth disease is an infectious disease of children, also known as rash blistering stomatitis, the disease is named after the main clinical symptoms of hand, foot and oral mucous membrane herpes or ulcer formation after breaking. It is an infectious disease caused by an enterovirus, to which people are generally susceptible, and the disease has a high incidence in the summer, mostly in children under 5 years old, especially in children under 3 years old. Hand, foot and mouth disease belongs to the category of “seasonal epidemic” and “warm disease” in Chinese medicine, which is due to the sudden, violent, seasonal, highly infectious and epidemic occurrence of hand, foot and mouth disease, as well as the pre-symptoms such as fever. The disease is caused by the entry of evil toxins through the mouth and nose, and the guest contains the lung and spleen, which spreads to the ying part and develops on the skin. The initial manifestation of the lung health disorder is fever, runny nose, light cough, red throat and other cold symptoms, and in severe cases, vomiting and diarrhea and other symptoms of spleen injury, followed by poisonous heat into the blood, circulating throughout the body, and the spleen is the master of the limbs, open orifices in the mouth, evil injury to the spleen, then the hands, feet and mouth by evil and heat, heat depression for the rash, poison penetration into the blister, causing a red rash on the hands, feet and mouth area, gradually become blisters, and appear pain in the mouth, sore throat, salivation, refusal to eat, irritability, and itching and pain in the hands and feet and other symptoms. Second, what are the ways of transmission of pediatric hand, foot and mouth disease? (1) Close contact with people: Children are infected by contact with virus-contaminated hands, towels, handkerchiefs, tooth cups, toys, eating utensils, milk utensils, bedding, clothes, etc. (2) Secretions: The virus in the throat secretions and saliva of the child can be transmitted through the air, so close contact with a sick child can cause infection. (3) Diet: Drinking or eating water or food contaminated with virus can also cause infection. C. What are the clinical manifestations of pediatric hand, foot and mouth disease? What are the precursors? Babies usually have a history of contact with children with HFMD one to two weeks before the onset of the disease. Most of them show a sudden fever with a temperature of 38℃ or above, accompanied by headache, cough and runny nose. A rash begins to appear at the same time or 1 to 2 days after the fever, usually on the hands and feet, or in the oral mucous membrane herpes, and the buttocks and pediatric pubic area may also be involved. The herpes is surrounded by an inflammatory redness and the fluid inside the herpes is low. When it breaks down, ulcers are formed and appear as grayish-white vesicles or shallow ulcers that are so painful that the child salivates, is irritable, cries constantly, and refuses to eat. Some children do not have fever, but only a rash on the hands, feet or buttocks or herpes pharyngitis, which is mild. Most children recover within a week when their body temperature drops and the rash subsides. In severe cases, the disease progresses rapidly, with meningitis, encephalitis, encephalomyelitis, pulmonary edema and circulatory disorders appearing around 1-5 days after the onset of the disease, and in a very few cases, the disease is critical and can lead to death. Fourth, how to prevent pediatric hand, foot and mouth disease in Chinese medicine? Prevention of pediatric hand, foot and mouth should be approached from various aspects: 1) food therapy: 1) Maimendong porridge: 10 grams of Maimendong, 2 jujube, 520 grams of round-grained rice, appropriate amount of rock sugar, boil the porridge. 2) water chestnut soup: 150 grams of water chestnut, wash, add the appropriate amount with sugar, boil soup, add fresh sugar cane sweat and drink. 3) mung bean and egg soup: 15 grams of mung beans, an egg, decoction into soup, drink in portions. 2, tea drink: 1) green tea 10 grams, add water decoction for a few moments, after cooling, add a small amount of honey, drink in portions as tea. (2) honeysuckle, wild chrysanthemum, mint 10 grams each, decoction as tea. (3) 10g of each of Panax ginseng, Dacryophyllum, Radix et Rhizoma, Rutaceae, add water and sugar, decoct and drink as tea. 3, pediatric massage: 1) press and rub the small Tianxin point: small Tianxin is located on the palm surface of the child, the large and small fissure intersection in the depression. With the thumb ribbed side of the force, in the baby’s small Tianxin point gently pressed 100-200 times, can clear the heat and remove wind; 2) finger rubbing the Inner Labor Palace point: Inner Labor Palace is located in the center of the palm, the middle finger, the middle of the ring finger refers to the middle. Use the end of the middle finger or thumb to knead, about 100-200 times. (3) clear Tianheshui: Tianhe, located in the forearm is located in the middle, the wrist transverse stripe to the elbow transverse stripe into a straight line with the middle finger of the index finger from the wrist to the elbow, called clear Tianheshui, about 100-200 times, with the effect of reducing fever; (4) retreat six internal organs: six internal organs is located on the ulnar side of the forearm, from the elbow joint to the wrist transverse stripe in a straight line. Use the thumb or the two fingers of the middle finger to push from the elbow to the wrist, pushing about 100-200 times, in synergy with Qing Tian He Shui, which has the effect of clearing heat. Five, prevention of pediatric hand, foot and mouth disease, parents should pay attention to what? (1) Cut off the source of infection. During the epidemic period, try not to take infants and children to crowded places, wash your hands before contact with children, change diapers for young children, handle feces, and properly dispose of dirt to avoid contact with sick infants and children. (2) Cut off the path of infection. Wash your hands, drink boiled water and eat cooked food. Wash your baby’s hands with soap or hand sanitizer before and after meals and after going out, and don’t let your baby drink raw water or eat cold food. (3) Pay attention to hygiene. Spring and summer is a high incidence of pediatric hand, foot and mouth end of the season, to maintain family environmental health, food hygiene and personal hygiene, to maintain indoor air circulation living room to frequent ventilation, diligent drying clothes. (4) Always have Banlangen punch, pediatric pharyngeal flat punch, Qingkailing oral liquid, etc. at home. If infants and children have more obvious symptoms of discomfort, it is recommended to go to a regular hospital to avoid delaying the disease and get effective treatment in time.