The phenomenon of babies coughing from time to time often indicates that the child has airway hyperreactivity, to take the child to the hospital to check the bronchodilatation test or bronchial excitation test, it is likely that the test result is positive, indicating that the child has the preexisting manifestation of asthma or has become cough variant asthma. At this time, you need to give your child long-term medication to avoid asthma attacks, you need to give your child a nebulized inhalation of budesonide and terbutaline twice a day; if the symptoms are under good control, you can change to inhalation once a day in the second month. In addition, before going to bed, you need to give your child a chewable tablet of montelukast sodium, which is a leukotriene inhibitor, can dilate the smooth muscle of the bronchial tubes, for the relief of bronchial spasm caused by coughing, the effect is better, is the only kind of bronchodilator that can be used alone, you need to chew before going to bed every day. When the child has a cough, must let the child rest more, never strenuous exercise, otherwise it will aggravate the phenomenon of coughing.