Exploration of Zeqi Decoction in Treating Cough and Asthma due to Phlegm and Retained Fluid

Zeqi Decoction is originated from Synopsis of Golden Chamber effective in curing cough and asthma due to phlegm and retained fluid， which has not received enough attention for a long time because of its simple description. Both action mechanism of this formula and its clinical practical value are revealed by analyzing the mechanism of cough and asthma due to phlegm and retained fluid as well as its clinical manifestation， herbal compatibility and Function characteristics. It is proved that Zeqi Decoction shares the similar function with Shizao Decoction， Kongxian Pill in draining water and removing phlegm. However， apart from mainly efficient in dispelling pathogens like activating yang， relieving retained fluid， lowering the adverse qi to stop cough， Zeqi Decoction is also able to support the healthy qi， making itself suitable to to treat cough and asthma due to phlegm-fluid lying latent in the lung or fluid retained in chest and hypochondrium.