Nourishing Yin and clearing lung soup has the efficacy and effect of nourishing Yin and clearing lung, detoxifying and dispersing evil. In clinical application, it has good therapeutic effects of nourishing yin, anti-infection, clearing heat and detoxifying for the body suffering from diphtheria, presenting with localized white overlying membrane between the throat, swelling and pain in the throat, initial fever, accompanied by dry nose, dry lips, cough, audible breathing or wheezing and other clinical symptoms. In clinical application, because this formula is mainly composed of Sheng Di, Mai Dong, Gan Cao, Xuan Shen, Bei Mo, Dan Pi, Peppermint and Bai Shao, it is effective in clearing heat, clearing the lung, detoxifying and dispersing evil, and has obvious effects on the treatment of respiratory and lung diseases.