Information Technology Journal1812-56381812-5646Asian Network for Scientific Information10.3923/itj.2014.1371.1375LiZhang 72014137High-speed railway, as one of the competitive innovative achievements in modern scientific technology, has been developing greatly. How to rationally analyze high-speed rails effect on regional development and make comprehensive appraisal of high-speed rails regional economic effect become more important and urgent . This study firstly analyzes Keyness investment promoting theory and the structure as well as basic modulus of input-output model. Secondly, this study studies direct promotion benefit on GDP brought by high-speed rail construction using investment promoting theory and input-output table. Finally, it analyzes direct promotion benefit on GDP brought by high-speed rail construction of the Hu-ning railway investment construction.]]>Zhang, X.,20072007Sasaki, K., T. Ohashi and A. Ando,1997317798Bonnafous, A.,198714127137Ping, Y.,200133840Yu, T.,2006481317Liu, B., P. Wu and Y. Liu,201032332Xu, C.,20012001