简介：Thepopulationcarryingcapacityofrestricteddistrict,keydevelopmentdistrict,optimizeddistrictappeargradientdecrease.Whiledifferentiationofsatisfactionregardingpopulationcapacityappearsinoptimizingdistrict,keydevelopmentdistrictsorrestricteddistricts,theunbalanceddistributionofpopulationbetweendistrictsorwithindistrictsemerges.Usingmulti-prongedmeasurestoreasonablycontrolpopulationsizeandguidethemovementofpopulationtothesuburbs,thisisarealisticpolicydirectionforBeijing,ShanghaiGuangzhouandShenzhenFirst-tiercities.Otheroptimizingdistrictsandkeydevelopmentdistrictsshouldraisetheirpopulationcarryingcapacity'sshortboard.RestricteddistrictshouldincreasetheirfinancialinputandimprovetheirImprovetheirlevelofpublicservice.