Based on the analysis of deficiency of the current grid job scheduling system in intensive computational grid,this article introduces the economic model into grid job scheduling system,and proposes a graded grid job schedule strategy on the basis of a dynamic bidding mechanism.A grid scheduling system based on global bid mechanisms is proposed and implemented.The comparative experiment is conducted through the grid at high-performance cluster nodes of simulated grid resources of Ziqiang 3000 and Ziqiang 200...