There are still many reasons why children have frequent coughs.1 The most common reason is that children are relatively young and have weak resistance, which can easily lead to recurrent respiratory infections and induce the appearance of coughs. At this time, it is often accompanied by nasal congestion, runny nose, sore throat, coughing and coughing up phlegm. It is necessary to choose appropriate antibiotics and antiviral drugs for treatment according to the type of infection. In addition, it needs to be combined with cough and phlegm relieving drugs, such as amiloride oral solution and pulmonary cough combination.2. Children with frequent coughs may have airway hyperreactivity, leading to spasm of bronchial smooth muscle, which is also known as cough variant asthma, and need to be treated with bronchodilators, and need to be given frequent nebulized inhalation of terbutaline sulfate and budesonide for anti-asthma treatment.3. Children with allergic cough who are constantly exposed to allergens can also cause frequent coughing, often accompanied by runny nose and sneezing, and can be treated with anti-allergy medications such as cetirizine or loratadine.