The Depository of Precious Books in the Maoshan Taoist Temple is the place of collecting Taoism classics in Jiuxiao Wanfu Palace. It is of brick- wood structure, and is composed of two floors, among which the original upper floor was used for the Taoist Temple to keep the Taoism classics, and now is used as Maoshan Mountain Taoism I Ching Culture Research Center.