In Religion reform of 15th century,education was considered as country s duty;In classical economic theory,education became the third duty,which provides the legitimacy of county management education;In Keynesian theory,county further monopolized education;In 1970 s,Keynesian theory was defeated and neo-liberalism was full risen that public education began the reform of market and privatization.

Marx s Criticism of Classical Economics as an Ideology;

Although List vehemently criticized England and France based classical economics because he thought this theory ignored the question of national economy,he didnt totally repudiate classical economics.

Neo-classical economics makes ration the substitution of the maximum value, but it is anguish for Marshall who persistently emphasizes the importance of history on human behavior.

Marxist concept of nature is the fundamental category of new philosophy based on practice of big industry,the theoretical criticism of mechanical materialist concept of nature,the abstract understanding of nature and its law in 19th century natural science,the criticism of so-called natural law concerning social economy in classic economics.

Nowadays,with the weekening of ethics in modern economics and fainting of Chinese economics ethics,the paper comments on economic ethic thoughts of Classic Economics,Keynesianism,New Liberalism Economics,New Institutional Economomics and concerns to economic ethic thoughts by winners of economics of Nobel Prize.