Cough in the late stage of pediatric colds, most of them are due to the combination of lower respiratory tract infections in the late stage of colds, such as bronchitis or bronchopneumonia, resulting in a cough, most of the cough in a single voice, with sputum, can be used as anti-infective and nebulizer inhalation therapy, anti-infective drugs can be selected from the class of cephalosporins or macrolides, such as sodium cefotaxime or cefixime, etc.; macrolides can be selected from the class of azithromycin, roxithromycin and so on. At the same time, it can be supplemented with proprietary Chinese medicines to relieve cough and resolve phlegm, such as Ambroxol or Tangerine and Bay Combination, Tangerine and Red Phlegm Cough Liquid, and so on. If there is more phlegm, you can choose nebulized inhalation to expectorate observation.