1978 March 18, at the national science conference, Deng Xiaoping pointed out in his opening speech that the key to the four modernizations is the modernization of science and technology, and we should vigorously develop science and technology education in China. He emphatically expounded the Marxist viewpoint that science and technology are productive forces. 1on March 7, 985, he further affirmed the statement that "science and technology are productive forces" at the national scientific and technological work conference. 1September, 988, he said: "Marx said that science and technology are productive forces, and it has been proved that this statement is correct. In my opinion, science and technology are the primary productive forces. " 1in the spring of 992, when he inspected the south, he said, "To develop the economy faster, we must rely on science, technology and education. I said that science and technology are the primary productive forces. " "Science and technology are the primary productive forces" is a scientific conclusion drawn by Deng Xiaoping from the perspective of historical materialism epistemology and the development of science and technology in the contemporary world.