There is a lot of phlegm. If there are obvious dry and wet rales and phlegm sounds in both lungs during auscultation, chest X-ray also indicates that there is obvious inflammatory infection in the lungs. Antibiotic drugs can be used to control the infection. Sputum culture and drug sensitivity tests can be carried out, and the most sensitive antibiotic drugs can be selected. If necessary, glucocorticoid can be used for anti-inflammatory treatment. It can also be used with expectorant drugs, such as bromoacetic acid hydrochloride, ambroxol hydrochloride, acetylcysteine, etc. Chinese patent medicines, such as Jizhi Syrup, Mylian Chuanbei Pipa Paste, Qiangli Pipa Dew, Feili Cough Mixture and other cough relieving and expectorant medicines. When there is a lot of phlegm, you should pay attention to light diet, eat less spicy and oily food, and avoid fish, shrimp and seafood food, so as to avoid producing phlegm to help fire, causing fever and aggravating disease. The combination of traditional Chinese and western medicine can shorten the period and improve the clinical effect.