Abstract: Concept is not only the carrier of the ideological history， but also the theoretical entry of the corresponding research. The history of the development and evolution of Marxism in China can be said to be the continuous development of concepts. And the “spirit of hard work” by Xi Jinping,is a scientific summarization of the practice of CPC in the past one hundred years,and the latest achievements of sinicization and modernization of Marxist concept of labor.At present， the academic researches on the concept of “spirit of hard work” mainly focuses on the generation logic， the connotation value， and on the cultivation and promotion of the spirit of hard work in the new era； little attention has been paid to its history of the semantic change and the ideological evolution. Based on the theory and method of conceptual history,wemade a review of researches on the concept of the “spirit of hard work”， attempting to promoting the comprehensiveness and systematization of concept research while expanding the horizon of similar researches， enriching the research content and changing the research paradigm.

Key words: the spirit of hard work, conceptual history, practice of hard work, Marxism, CPC