BasedonnaturalzoneentityincludingwestofGuangdongandthegreatSouthwest,thispaperraisetheissueaboutthedevelopmentoftheunitedzoneincludingthewestofGuangdongandthegreatSouthwest.Thefeasibilityofthedevel-opmentandopenuptotheworldareexpounded.Thegoal,industrialselectionandtheirdistributionabouttheunitedzoneareexplained.Finally,thispaperputforwardsomepolicyrecommendationsandsystemsofexecutingthedevelopmentandopenupstrategy.