The main reason why children cough every time they catch a cold is because cough is one of the most common symptoms of colds, and if they have had a severe cough before, they are prone to recurring coughs due to colds and flu; in addition, they are also susceptible to the influence of the surrounding environment. If a child has had a severe cough, it may damage the respiratory tract, leading to coughing symptoms every time a cold occurs. Generally, bronchodilator medications can be used under the guidance of a physician to relieve symptoms, commonly used such as propecia hydrochloride tablets, albuterol sulfate aerosol and so on. Also need to pay attention to the influence of the surrounding environment, especially allergic cough, weak resistance easily react to the emergence of cold and cough. Need to pay attention to is to do a good job of care measures, minimize the occurrence of cold and flu, reduce the frequency of cold and cough, and later with the growth of age, the general symptoms can be gradually reduced.