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In 1990,Ott Grebogi and Yorke introduced the method of chaos control (OGY control).Since then,much effort has been focused on researching the strategies of chaos control.Recently,control and synchronization of spatiotemporal chaos have become a topic of great interest due to its abundant patterns of movement.The eoupled map lattice is a kind of efficient model for researching spatiotemporal chaos.Suppression of localized spatiotemporal chaos observed in one-dimensional coupled map lattice system is achieved using feedback control [1-2].This article introduces a new improved feedback control method.To compare with other method of feedback control,this method can achieve stable state with less iteration steps and more simple calculate process.