101ThePlaningConceptofOpenBlockandItsEnglightenmentontheUrbanResidentialConstructioninChina/YuYong,LiZhitao[Abstract]Openblockhasfourfundamentalfeatures:everysinglebuildinghasitsindependentcharacter;itreflectsthespiritofplace;itplacesnostrictlimitontheheightofbuildingsanditstressestheheterogeneity,hybridandcontradiction.TosomeextenttheideaofopenblockhascausedsomeinfluenceontheurbanconstructioninEuropenowa-daysandalsohassomeenlightenmentforChinainurbanresidentialconstructionatthepresentstageinmanyways.[Keywords]“Openblock”,ChristiandePortzamparc,TheCityAgeIII,Urbanresidentialconstruction102103104