编者按；西部大开发战略为世纪之交的国民经济发展注入了新的推动因素。除了中央加大投入拉动力度之外，区域合作是西部开发的一个重中方式。从90年代中期开始的东部扶贫协作工作先行一步，显示了区域合作的强大生命力，也为新世纪大规模展开的东西部面合作提供了研究、借鉴的 Editor’s Note: The strategy of developing the western region has injected new impetus to the national economic development at the turn of the century. In addition to the central government’s efforts to boost input, regional cooperation is a major mode of development in the western region. From the mid-1990s onwards, the work of helping the poor in the east took a first step, demonstrating the vitality of regional cooperation and providing a reference for the large-scale cooperation between the east and the west in the new century