The“Four Greats”not only have their own unique connotations but also are an organic whole that is connected and interacted with each other constituting the greatest practice of contemporary China with the characteristics of the times.The“four greats”contain rich dialectical materialism and historica materialism, such as the dialectical relationship between material and consciousness views of connection,development,contradictory and mass views.The“four greats”also provide us with ways of thinking and working to understand and transform the world,such as seeking truth from facts the mass line analysis of contradictions strategic thinking and so on.The“four greats”are a major fundamental concerning the future and destiny of the party and the country.