Abstract: Seven management organization structure types（linear organization structure，functional organization structure，linear functional organization structure，business division organization structure，simulation decentralised organization structure，matrix organizational structure and complex organization structure）and their advantages and disadvantages were discussed.Management amplitude and management level of water and soil conservation research unit were analyzed.Balance and unity of centralized management and decentralized management in water and soil conservation research unit were discussed.Organization structure，management amplitude，management level and decentralized management mode of Xifeng station were analyzed.Composite structure，flat organization structure form，decentralized management are mechanism basis and system security for Xifeng station to get steady booming.They are also causes of sustained，rapid and booming success experience in Xifeng station.