Population movement is one important phenomena in China in recent years Its mechanism is. (1) thrust of more people and less lande in Eastern Belt. (2) Suction of dual economy in westren Belt. (3) national policy on preferential wages and grain for pastern Belt.Population movement has an impartant effect on the change of regional division pattern in Chins: (1) by the medium of the moving people, there forms another regional division pattern, which is rural industry system based on rural town industry; (2) there forms another profit mechanism compensated from Western Belt to Eastern Belt.It not only wins more profit in Eastern Belt, but also ehanges dual economy in Western Belt Therefoer, we should make choice of a comprehen sihle and encouraging attitude on population movement; and a special government organization for general survey of moving people should be set up at once.