曾侯乙钟磬声名的八度分组，学界相关认识虽比较深入，但零散且存在分歧，一些细节问题也没有得到应有关注。文章介绍了曾侯乙钟磬声名八度研究的复杂性和分歧所在，从不同钟组、不同位置、不同乐器、不同铭文类型厘清其声名八度分组的方法、依据。准确理解曾侯乙钟磬声名的八度分组情况，对于解读清华简《五音图》的五声异名、周至汉代瑟的定弦，以及当下建构中国音乐话语体系，都具有参考价值。

Although the academic understanding of the octave grouping of the sound names of Zeng Hou Yi's Bell and Chime has been already in a relatively deeper stage,the cognitions are still fragmented with certain divergent opinions,and some details have not received the attention they deserve.The article introduces the complexity and divergence of the research on the octave of the sound and name of Zeng Hou Yi's Bell and Chime,and clarifies the methods and basis for grouping sound and name octaves from different bell groups,positions,instruments, and inscriptions.Accurately understanding the octave grouping of the sound names of Zeng Hou Yi's Bell and Chime is of reference value for interpreting the five tone synonyms in the Five Tone Diagram of the Tsinghua bamboo slips, the tuning of the Zhou to Han dynasty zither,and the current construction of the Chinese music discourse system.