Abstract: George Soros’s reflex theory offers a new paradigm to break the plight of the Western mainstream economics.The new theoretical paradigm subverts the “rational economic man” hypothesis and re￣examines the role of economic rationality in the market.It also pays more attention to the irrational factors embodiment of the real complexity human nature in market.Focuses have been put on the criticism and evaluation of the “rational economic” man and Soros’s “human” from the perspective of Karl Marx’s “real man”.Real man is in the certain social relations,engaged in social practice activities,idiographic,and historical human.“Rational economic man” is abstract,isolated human.Soros’s new paradigm pays close attention to the complex properties of human as imperfection,fallibility and uncertainty.This human cognition is a step forward relative to the Western mainstream economics.However,this cognition is still abstract,and the definition of human,especially the essential definition is not fully grasped in Soros’s new paradigm.

Key words: George Soros, irrationality, rational economic man, real man