Abstract:Qin Dynasty in Chinese history is the first united centralized feudal state.It not only ended the disordered state of Spring and Autumn Period and Warring States Period but also unified character,weights,measurement and currency of China,which produces far-reaching infulence on later political and economic development of China.But Qin Dynasty only exists for 15 years,and the reasons for its collapse are defects in state administration which directly caused the destruction of Qin Dynasty.Research into the reasons for the destruction of Qin Dynasty in administration thoughts field can provide reference for current organizational administration behaviors.