China’s four great inventions were introduced to the West one after another before the emergence of modern European civilization, and had a certain impact on the development of Western science and technology. The emergence of printing changed the situation that only monks could read and receive higher education, making it more convenient. The spread of culture; the adoption of gunpowder and firearms destroyed the ideological shackles of medieval Catholicism in Europe. The compass was passed into the hands of European navigators, making it possible for them to discover America and sail around the world, and laid the foundation for the development of world trade and handicraft industry in the West. The four great inventions have left a brilliant page in the history of human science and culture. These great inventions have influenced and benefited the whole world and promoted the progress of human history.