Xi Jinping Thought on the Rule of Law sticks to the method and position of Marxism, combining with the development environment, historical tasks and basic national conditions of the primary stage of socialism, from three "new" dimensions to scientifically explain the "new concept", "new thought", and "new strategy" of comprehensively governing the country according to law. It is not only an important part of the framework of Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, the latest development and achievement of the Chinese Marxist theory of rule of law and the socialist theory of rule of law with Chinese characteristics, but also the fundamental follow and action guide for comprehensively advancing the rule of law from theory to practice in the new era. The theoretical innovation of this thought in the fields of governance by law, road to the rule of law, relationship between the Party and the law, and governance of the country according to the constitution has deepened the understanding of the general law of state governance, the law of socialist rule of law and the law of the Communist Party's rule of law, and opened up a new realm of the development of contemporary Chinese Marxist theory of rule of law, which has made original contributions to the development of the 21st century Marxist theory of rule of law.