实践性是社会主义本质论所体现出来的最基本的哲学原则。实践性是马克思主义尤其是马克思主义哲学的基本原则，因为实践是人类的存在方式、也是全部马克思主义理论的基石。邓小平的社会主义本质论、无论是从其形式还是从其内容本身，都体现出实践性这一马克思主义哲学的基本原? Practicality is the most basic philosophical principle embodied in the theory of socialist essence. Practicality is the basic principle of Marxism, especially Marxist philosophy, because practice is the way of human existence and the cornerstone of all Marxist theory. Deng Xiaoping’s theory of the nature of socialism reflects the basic principle of Marxist philosophy of practicality, both in its form and its content itself