It can improve the fever, cough, expectoration, pulmonary rales, and other symptoms and signs, also can reduce the fever, cough, pulmonary rales disappeared time and the average hospitalization time.

Objective: to observe clinical effect of Tan re Qing injection to treat flu cough.

For phlegm obstruct the lung caused by cough, expectoration, wheezing, chest tightness, yellow or yellow and greasy coating;