For eleven-year-old children with cough, you can take Chinese patent medicines to dissolve phlegm and relieve cough, and antipathogenic bacteria treatment, as follows: 1, take Chinese patent medicines to dissolve phlegm and relieve cough: if there is more phlegm when coughing and the phlegm is yellow, belonging to phlegm-heat cough, you can apply Jin Zhen oral liquid for treatment, the composition of which mainly includes green pores and rhubarb, and so on, and it can improve the symptom of yellow phlegm and phlegm can be relieved naturally after the phlegm is eliminated. After the phlegm is eliminated, the cough can be relieved naturally; 2, antipathogenic bacteria treatment: if the laboratory indicators suggest Mycoplasma pneumoniae infection, it is necessary to apply azithromycin in time for treatment, azithromycin has a better inhibitory effect on Mycoplasma pneumoniae.