Many children have a cough and even after taking various cough suppressants, anti-inflammatory drugs or nebulizer treatment, they cough repeatedly, which worries parents and seriously affects the physical and mental health of the child and causes great distress and financial burden to parents. In fact, by identifying the cause and prescribing the right medicine, the child’s cough will be successfully controlled. Coughing is one of the most common symptoms of respiratory diseases in children, and under normal circumstances, it is a protective physiological phenomenon of the baby, an organism’s defensive reflex to expel respiratory secretions or foreign bodies. The majority of coughs in infants and children are due to viral infections, so there is no need for antibiotics and expectoration is the key. A cough of more than 4 weeks is diagnosed as chronic cough. Common causes are cough variant asthma, upper airway cough syndrome, respiratory tract infection and post-infectious cough, gastroesophageal reflux, and cardiac cough. Therefore, when a child has a recurrent cough, it is important to help the child find the cause in a timely manner and treat the cause of the cough such as infection, allergy, airway spasm, environmental irritation, etc. In conclusion, parents should not rush to give their children various medications for recurrent coughs, especially chronic coughs, but calmly analyze the possible causes and provide timely feedback to the physician for treatment under his or her guidance. Pay attention to strengthening your child’s health, taking appropriate outdoor exercise, eating a balanced diet, avoiding allergens for children with allergic coughs, and going to less crowded public places during the disease epidemic season.