Understanding Fushen Decoction: A Traditional Chinese Herbal Formula for Qi and Yin Deficiency

The formula of Fushen Decoction consists of Fushen, Yuanzhi, Ginseng, Tongcao, Maidong, Huangqi, Jiegeng, Gancao, and Shengjiang. The pathogenesis is qi and yin deficiency leading to phlegm-heat obs