[Study on Jisi Yi'an (Medical Cases of Multitude Thought) of Yi Jusun, a famous doctor of Lingnan region].

Textual research was made on Jisi Yián (Medical Cases of Multitude Thought), a book of medical cases written by Yi Jusun, whose nickname is Chubai, one of the "Four Warriors of Buddha", modern four heads school in favor of classical prescriptions in Lingnan region. The now extant hand- written copy of this medical book is collected in the Shu Renzhi's Juxiang Hall in the early period of Republic of China. Analyses are made on the medical records of treating difficult and critical illness applied by Yi Jusun. The Shengma Biejia San (skunk bugbane and Carapax Amydae Powder) proposed by him played a vital role in preventing and curing plague in modern Guangdong Province.