QCHS is composed of Rhizoma coptidis (Huanglian), Radix scutellariae (Huangqin), Patrinia mandshurica (Baijiangcao), Radix angelicae sinensis (Danggui), Radix paeoniae alba (Baishao), Radix sanguisorbae (Diyu), Radix arnebiae (Zicao), Radix et rhizome rubiae (Qiancao), Radix angelicae dahuricae (Baizhi), Radix aucklandiae (Muxiang), and Radix et rhizome glycyrrhizae (Gancao) at a ratio of 6:10:15:10:20:12:6:10:10:20:6