Advantage Value of Regional Virtual Water Strategy(AVRVWS) of implementing virtual water strategy and the regional economic, social and under virtual water strategy background all over the world. The connotation is defined to estimate the feasibility ecological effects to different regions and impact factors of AVRVWS are analyzed afterwards, then an assessment index system including 12 indices is established, which consists of four aspects : supply of water resources, demand of non-agricultural water resources, water resources management an...