The main purpose of nebulized inhalation for children with cough is to reduce the symptoms of coughing or to use medication according to the needs of coughing, commonly used drugs are: 1. terbutaline nebulized solution, usually used to relax bronchial smooth muscle, commonly used for coughing and wheezing. 2. budesonide nebulized solution is a hormone, commonly used to reduce the inflammatory response of the airways. 3. interferon, interferon is commonly used for viral infections causing respiratory system diseases. 4. ribavirin injection, individual drugs can also be used for nebulized inhalation to relieve viral infections. 5. 4. Ribavirin injection, which can also be used individually to relieve viral infections by nebulized inhalation. 5. alpha chymotrypsin, which is often used to reduce sputum, is selected according to the symptoms of cough and the cause of the cough.