Professor LI Shimao usually used Fuzi（Radix Aconiti Lateralis Praeparata） when the patient′s pulse was weak or wiry and tight

and there was appearance of cold or deficiency yang floating. The article analyzed his experience of Fuzi as Jiaoyao（角药） to reveal its compatibility features. Professor Li used Jiaoyao Fuzi-Mahuang（Herba Ephedrae）-Guizhi（Ramulus Cinnamomi） to warm and unblock the sweat pore; Fuzi-Banxia（Rhizoma Pinelliae）-Ganjiang（Rhizoma Zingiberis） to warm lung and dissolve rheum; Fuzi-Shudihuang（Radix Rehmanniae Praeparata）-Danghui（Radix Angelicae Sinensis） to relieve fever as sweet and warm herbs; Fuzi-Huangqin（Radix Scutellariae）-Huanglian（Rhizoma Coptidis） to warm and clear dampness-heat; and Fuzi-Ganjiang-Rougui（Cortex Cinnamomi） to warm yang and calm the mind.