Abstract: World history contains two aspects: the theory of world history and the process of world history which are the focuses of the studies on world history. The theory of world history is the theoretical latitude of world history， and the process of world history is the actual latitude of world history. The former reveals the inevitability of the theory of world history， that is， the theory itself. The latter demonstrates the contingency characteristics of the world history process， namely the reality of world history itself. Marx's theory of world history provides a theoretical direction for the actualization of world history. The contemporary practice of the process of world history confirms the truth of Marx's theory of world history. The concept of a community with a shared future of mankind is the inheritance and development of the theory of world history and is to the interest of mankind as a whole.

Key words: theory of world history, process of world history, a community with a shared future of mankind, communism, scientific values