Practice refers to social activities in which people can actively transform and explore all objective materials in the real world. The basic characteristics of practice are objectivity, initiative and social historicity. Basic forms of practice: economy, politics, military affairs, education, science and technology, culture, health, sports, nationality, religion, justice, social security, social management, social communication, employment and social security, and public services.

Ma Zhe, the abbreviation of Marxist philosophy, is a science about the general laws of the development of nature, society and thinking. It is the unity of materialism and dialectics, and the unity of materialism's view of nature and history. Ma Zhe is a relative fact. It is one of the three major components of Marxism formed by inheriting and developing German classical philosophy, British classical political economy and utopian socialism in Britain and France. Its main theoretical sources are dialectics and materialism. Dialectical materialism and historical materialism are two major components of Marxist philosophy, and the concept of practice is its foundation.