本文通过对《马克思恩格斯选集》中文第二版总体性的研究，从马克思主义发展史的角度，评价了这一版本在科学、完整、准确地再现马克思主义发展轨迹和理论体系方面的贡献；从改革开放伟大实践和理论要求的角度，阐明了新增加的有关文献的基本观点及其当代意义；从深化理解邓小平建设有中国特色的社会主义理论的角度，强调了这一版本的重大启示意义 Based on the study of the second edition of the Chinese edition of Marx and Engels, this essay evaluates the contribution of this edition in reproducing the Marxist development track and theoretical system in a scientific, complete and accurate manner from the perspective of the development history of Marxism. From From the perspective of the great practice and theoretical requirements of reform and opening up, the basic ideas and contemporary significance of the newly added relevant documents are clarified. From the perspective of deepening understanding of Deng Xiaoping’s theory of building socialism with Chinese characteristics, the significance of this edition is greatly emphasized