After the founding of P.R. China, China’s regional development strategy experienced the evolution progress of “Balanced Development→Unbalanced Development→Coordinated development”. There exist twice “GO-WEST” campaigns which laid the foundation of modern industries for wetern region in Balanced Development era, and the third one, known as Western Development Strategy which began in 2000, is the symbol of entering regional coordinated development era. These three “GO-WEST” campaigns were carried out in defferent historical backgrounds and finally obtained different achievements. Following the historical evolution of regional policies in China, this paper analysed the backgrounds, reasons, patterns and effects of three “GO-WEST” campaigns