Abstract: Since the mid-80s in the 20^th century,economic philosophy study in China has been a history of over 30 years,and Marxist economic philosophy of 20 years.It is a great progress that economic philosophy has developed into Marxist economic philosophy at the turn of the century.However,the bottleneck problem arises:what are the existing forms of Marxist economic philosophy?Until now,due attention has not been given to the problem for full study.Marxist economic philosophic study cannot be deepened unless it has been studied and answered.The systematic framework of Marxist economic philosophic study will be present:critique on the foundation of bourgeoisie economic philosophy,philosophy in the domain of political economy,and philosophy in the proposition of political economy and in the theory of political economy.The content of the existing forms of Marxist economic philosophy is the endogenous variable of Marxist political economy.Without correct understanding of the former,understanding and interpretation of Marxist political economy cannot be gained.

Key words: Marx, Economic Philosophy, existing forms