"Eight-door Jin Suozhen" is an orientation "Daoism" used to facilitate astrology. Zhuge Liang improved the application of "Daoism" and compiled a complete "Eight Array Map". Eight doors and eight doors refer to closing doors, opening doors, injuring doors, closing doors, scenic doors, dead doors, shocking doors and opening doors. The Eight-door Jin Suozhen of Daoism is a directional Daoism used for the convenience of astrology. In the Eighth Array, Cao Ren of Wei used this method to deal with his opponent Liu Bei, but Xu Shu, Liu Bei's strategist at that time, saw through it. Later, Zhuge Liang improved the usage of "Daoism" and compiled a complete set of "Eight Arrays".