金文中有自名“句鑃”的乐器,前人对其名的解释不尽完善,本文利用声韵训诂对“句鑃”一词的内涵意义和音读等多方面内容进行了研究和考证。“左守”一词是西周金文中新发现的,本文结合《三礼》等文献,从青铜礼器的性质、礼仪制度和语法结构、字义训释等方面论证了其含义,并阐明它对研究西周礼器制度的意义。 Jin Wenzhong has his own instrument of “Sentence”, and his predecessors’ explanations of his name are not perfect. In this paper, we use the phonology Yunxun to study and verify the connotation and meaning of the word “Sentence”. The word “Left Shou” was newly discovered in the Jin and Wen dynasties of the Western Zhou Dynasty. Based on the literary works such as “San Li”, this paper argues its meaning from the aspects of the nature, etiquette system and grammatical structure, The significance of studying the Western Zhou Dynasty ritual system.