Cough medicines for children need to be used according to the cause. Children’s cough is usually caused by upper respiratory tract infections, asthma, pneumonia and other causes. It is recommended to go to the hospital in time, under the guidance of the doctor to identify the cause of the medicine. 1. Upper respiratory tract infections: most of them are caused by viruses, and generally do not require special treatment with antiviral drugs. If combined with bacterial infection, should follow the doctor to use cefixime, amoxicillin and other antibacterial drugs; if the influenza virus caused by the application of oseltamivir and other antiviral drugs treatment. Cough suppressants are not recommended routinely, and children can be encouraged to drink more water. 2. Asthma: Typical manifestations are episodes of expiratory dyspnea or episodes of chest tightness and cough. It can be treated with albuterol, montelukast, ipratropium bromide, aminophylline, etc. to control the symptoms. 3. Pneumonia: mainly manifested as fever, chills, malaise, cough, chest pain and other symptoms. Amoxicillin, ceftriaxone and other drugs can be used to control bacterial infection. Cough with sputum can use acetylcysteine granules (children over 2 years old) and other drugs. Cough medicines for children need to be used according to the cause of the disease and unauthorized use is not recommended. It is recommended to go to the hospital in time, under the guidance of the doctor to identify the evidence of the use of drugs.