Buildingecocitiesbecomesanobjectiverequirementforsustainabledevelopment.Thisarticlediscussestherelationshipbetweensustainabledevelopmentandsustainableurbandevelopment.Onthebasisofdiscussingthesigificanceofsustainableurbandevelopmentandthatofaneco-cityfromdifferentperspectives,itsuggestsseveralmanagementstrategiesfordevelopinganeco-city,adesirablesustainableurbanmodel.