Seven-month-old babies with phlegm in the throat, clinically, most commonly seen in the upper respiratory tract infection, can be expectorated through physical as well as medication, in addition to the need to actively treat the primary disease. When the seven-month-old baby throat phlegm is not easy to discharge, try to let the baby’s head elevated, you can also hold the vertical, while patting the back, from the bottom to the top of the back patting, through the mechanical vibration method to help the baby expectoration, can also be used to expectorate, mechanically assisted expectoration. If necessary, it can be suctioned. When sputum is more abundant, it can be treated with cough suppressant and phlegm dissolving drugs, such as Ambroxol Oral Liquid as prescribed by the doctor, so that the sputum can be more easily discharged from the baby’s respiratory tract after it is diluted. If necessary, can be added with orange shellfish and other cough suppressants. In addition, the seven-month-old baby throat phlegm, need to improve the relevant examination for the cause of treatment. Viral infections are mostly self-limiting, symptomatic supportive treatment can be improved, if you consider the possibility of bacterial infection, if necessary, can be added with cefepime, azithromycin anti-infection treatment.