At the beginning of the Ming Dynasty, Emperor Chengzu (Judy) of the Ming Dynasty sent Zheng He to the Western Ocean for seven times on the premise of economic prosperity, strong national strength and political stability in 1405- 1433. Objective: To expand the political influence of Ming Dynasty and strengthen the contact with overseas countries. As far as the Red Sea coast and the east coast of Africa. The influence is as follows: ① it has promoted the economic and cultural exchanges and friendly exchanges between China and Asian and African countries; (2) Promoting the great prosperity and communication of the Maritime Silk Road; (3) The new sea route was opened more than half a century ago, and it was the pioneer of world navigation. He is a great navigator in the history of our country and the world. Significance: It embodies that peace-loving, good-neighborliness and self-improvement are the fine traditions of the Chinese nation, which opens the prelude to the era of world navigation and tries to establish a peaceful and harmonious international social order.