A. Maintain a suitable indoor living environment 1. The bedroom of the affected child should maintain a certain temperature and humidity, but also to ensure air circulation, just painted room can not immediately into the residence. Avoid keeping pets indoors. 2, the affected children’s clothes, bedding to avoid using silk and cotton, down and other products, do diligent change, with serious dust mite allergies can be made of special materials to prevent dust mite overflow bedding. 3, reduce indoor air pollution: parents should quit smoking or do not smoke in the room with children to avoid second-hand smoke; do not use a variety of spray insecticide; avoid camphor, perfume, chemical products and other irritating odors. 1.The underwear of children with asthma should be made of pure cotton, avoid wearing wool, duck feathers and other animal fur products. 2. Pay attention to climate change and add clothes at any time to prevent asthma from being triggered by cold. 3.Diet should be light and easy to digest during an acute asthma attack. Avoid allergy-prone seafood, eggs, milk and nuts. 4. Let your child have some outdoor activities every day, and do not overly restrict their physical activities for fear of asthma attacks. Parents should learn some basic knowledge about asthma prevention and control from the doctor, supervise the child’s daily medication according to the doctor’s prescription, record every change in the treatment process, and follow up regularly. If there are asthma aura such as continuous sneezing, coughing, irritability, mental discomfort and rapid breathing, use asthma medicine in time to prevent a major asthma attack.