手工生产力、机器生产力、智能(科学)生产力,是人类社会先后相继的三代生产力。马克思在《资本论》和经济学手稿中对三代生产力及其发展规律均有精彩论述,可称之为马克思的三代生产力理论。笔者认为,三代生产力理论为科学社会主义注入了科学性和真理性,认真学习和掌握马克思的三代生产力理论,对于坚定共产主义信念,坚持中国特色社会主义,具有重要的现实意义。一长期以来,人们不认识马克思的三代生产力理论, Handmade productivity, machine productivity, intellectual (scientific) productivity, is the succession of three generations of human productivity in society. In “capital theory” and economic manuscripts, Marx elaborated on the three generations of productive forces and their development laws, which can be called Marx’s three generations of productive forces theory. The author believes that the theory of the three generations of productive forces has injected scientific and truth into scientific socialism and that studying and mastering Marx’s theory of the three generations of productive forces earnestly has an important practical significance for resolving the communist belief and upholding socialism with Chinese characteristics. For a long time, people did not recognize Marx’s three generations of productive forces theory,