Abstract: This paper analyzes the course of the formation of the sustainable-de ve lopment conception and discusses the social and philosophical significance of th is conception,and further tries to exposes the contradiction and conflict betwee n the sustainable-development conception and the Evolution of the economy-person model.This paper concludes that with the formation of the conception,the evolut ion of the economy-person model is inevitable;and the new model is always in ges tation in the evolution.