马克思共产主义理论提出并进行理论阐述。清算了以前的哲学信仰,形成了唯物史观和唯物辩证法相结合的马克思主义哲学。进而分析资本主义经济制度,发现剩余价值并形成理论,从历史、政治的现实对共产主义理论进行科学论证,实现了共产主义理论从抽象到科学发展的跃迁。 Marxist theory of communism put forward and theoretical elaboration. Liquidated the previous philosophical beliefs and formed the Marxist philosophy that combines historical materialism with materialist dialectics. Then it analyzes the capitalist economic system, finds out the surplus value and forms the theory, and carries out the scientific argumentation on the communist theory from the historical and political reality, and realizes the transition of the communism theory from the abstract to the scientific development.