爭狀況、人口流通等。而這些因素的重要程度在不同城市之間存在差異。例如，一線城市的市場潛力和政策支持因素相對更為重要，而新一線城關鍵詞：房地產開發企業；跨區域擴張；城市選擇規律；市場潛力；政策支持；土地供應；競爭狀況；人口流通。WiththeaccelerationofChina'surbanizationprocessandtheincreasinglyopeninternationalbackground,realestatedevelopmententerprisespaymoreandmoreattentiontocross-regionalexpansion.Thispaperstudiestherulesofchoosingcitiesintheprocessofcross-regionalexpansionofrealestatedevelopmententerpriseswithlistingqualifications,providingtheoreticalbasisandpracticalguidanceforenterprises'expansion.Thispaperfirstintroducesthebackgroundandsignificanceofcross-regionalexpansion,andproposestheresearchideasbasedontherulesofcityselection.Secondly,byanalyzingthedataofrealestatedevelopmententerpriseswithlistingqualificationsintheprocessofcross-regionalexpansiontoselectcities,weextractthemainfactorsthataffectcityselection.Finally,basedonthesefactors,wemakein-depthdiscussionsandputforwardsomesuggestionsforenterpriseThroughtheresearch,itisfoundthatrealestatedevelopmententerpriseswithlistingqualificationsmainlychoosefirst-tierandnewsecond-tiercitiesincross-regionalexpansion.Theselectionfactorsmainlyincludemarketpotential,policysupport,landsupply,competition,populationmobility,andsoon.Theimportanceofthesefactorsvariesamongdifferentcities.Forexample,themarketpotentialandpolicysupportfactorsinfirst-tiercitiesarerelativelymoreimportant,whilethelandsupplyandpopulationmobilityfactorsinnewsecond-tiercitiesarerelativelymoreimportant.Basedontheserulesanddifferences,thispaperputsforwardsomepracticalsuggestionsforenterprises.Forthoseheadingtofirst-tiercities,theyshouldpayattentiontomarketresearch,improvetheirgraspofpolicyenvironmentandlandsupply,andalsonotetheimpactofcompetitionandpopulationmobility.Forthoseheadingtonewsecond-tiercities,theyshouldpaymoreattentiontofactorssuchaslandsupply,populationmobility,andpolicysupport,andalsopayattentiontothedevelopmenttrendsandpotentialofcities.Thispaperaimstoprovidesomeusefulguidanceforrealestatedevelopmententerprises'cross-regionalexpansion,andalsoprovidesnewperspectivesandideasforthestudyofChina'surbanizationandurbandevelopment.Keywords:realestatedevelopmententerprises