" Uncertainty Relation" was first translated as " 测不准原理" in China. Based on the literature research and conceptual analysis，the translation and introduction process in China is clarified in this paper. And meanwhile the reasonable analyses of possible causes have been made in terms of the translation，which contributes to comprehending the development of the terminology more clearly. The work represents the progress of Chinese scientists' understanding of research on Heisenberg's outstanding scientific achievements with the aim of further enhancing the recognition of the term " uncertainty relationship" in quantum mechanics.