New Materialism, the philosophy of Marx, is the foundation of Marxist Philosophy system. With the development of Marxist philosophy, many different understandings of the philosophical essence of New Materialism have arisen. Among them, Dialectical Materialism understanding holds that the change of Marx's new Materialism is the organic combination of Materialism and Dialectics. Materialism understanding claims that Marx's new Materialism is innovative in introducing Materialism into social history and achieving a thorough materialism. Practical Materialism understanding argues that practice provides a new way of thinking to understand and change the world. Anthropological Materialism understanding proposes that Marx's new Materialism studies human and human world and that human is the subject of practice.