Cough is the most common symptom after respiratory tract infection. Coughing itself is a protective reflex. When there is inflammation in the respiratory tract, increased secretions or foreign bodies, coughing out the secretions and other substances through coughing is beneficial to the body’s recovery, and blind cough suppression is harmful. Cough due to pneumonia is often accompanied by fever, shortness of breath and wet rales in the lungs, and the diagnosis can be confirmed by taking a chest X-ray. Cough due to asthma is accompanied by wheezing, recurrent attacks, and the child has a history of eczema or allergic rhinitis. If the cough is recurrent, it is mostly due to poor health and recurrent respiratory infections. In some children, the cough is recurrent or persists for more than 4 weeks, the chest X-ray is basically normal, and conventional treatment is not effective, which is what we call chronic cough. The clinical causes of chronic cough are complex and prone to misdiagnosis and mistreatment, resulting in misuse of antibiotics, increasing the economic burden and affecting the physical and mental health of the sick child. In addition to treating your child’s cough for its causes and symptoms, you must also pay attention to the care of your child. 1. Keep your child warm and dressed appropriately: Both over- and under-dressing your child can have a negative impact on him or her. When wearing too much cover, it is easy to cause the child’s regulation of cold to decline and increase sweating, the body’s resistance to decline, the slightest inadvertence will cause colds and airway infections. Conversely, if stimulated by cold, it will reflexively cause the cough to worsen. 2, comfortable room, moderate temperature and humidity: after the disease, the child rests at home, so the environment of the room has a greater impact on the return of the disease. If the room temperature is too high, it may cause the child to sweat more, which may increase the chances of the child catching a cold and coughing. Conversely, too low a room temperature will also weaken the child’s resistance and make the condition less likely to improve. Therefore, the temperature of the room in which the child lives is generally 22°C-26°C and the humidity is 55%-60%. Any spicy, irritating and greasy food can trigger or aggravate the cough, and too much hunger and too much satiety can also affect the recovery process of the child. Therefore, the child’s diet should be light and tasty, and the child should be encouraged to drink more water and eat more fresh vegetables rich in vitamins and fiber. 4, regular life, appropriate activities: adequate rest is extremely important for the child’s physical strength and energy recovery, but also an important guarantee of recovery from the disease. Therefore, parents must pay attention to the sleep of the child and create conditions to ensure that the child has more than 8 hours of sleep every night.