Marxist ontology of praxis is the one of the theory of existence, which takes the human existence itself as the target, thus opened a way to know the reality from ontological view.

• 实践本体论的内涵和意义；斯大林和卢卡奇对马克思主义哲学本体论的理解。而摘要也正是以此为线索，一层层地深入，突显中心思想。因此，摘要对文章的内容概括得很好。