实践是马克思主义的一个根本标志，作为与实践相联系的认识论自然而然也能体现马克思主义的实践观。从认识论内涵的变化，具体以恩格斯到毛泽东的论述为参照，借以说明马克思主义实践观的不断丰富和发展。

Practice is a fundamental symbol of Marxism, and as an epistemology linked to practice, it can also reflect the Marxist view of practice. From the changes in the connotation of epistemology, the specific reference is made to the expositions of Engels to Mao Zedong, in order to illustrate the continuous enrichment and development of the Marxist view of practice.