The best way to treat cough with phlegm in infants is to use the following treatment measures. First of all, children are given medications to treat cough with phlegm, mainly by using some medications that have the effect of resolving phlegm and relieving cough. If you choose Chinese medicine, you can apply Jin Zhen Oral Liquid, which is composed of antelope horn and mother-of-pearl, etc. It can play a good role in clearing heat and resolving phlegm, and the taste of this medicine is relatively good. If you choose western medicine, you can apply aminoglutethimide oral liquid to children. Secondly, children can be given with nebulized inhalation treatment, and the nebulized drugs can be combined with budesonide, Adequan, etc.