《全唐诗》有梁补阙诗《赠米都知》、刘禹锡诗《与歌者米嘉荣》。近年在研究唐代音乐机构和乐官的论著中时有出现将这两首诗中的米姓乐人当作同一人来论证的情况。两诗作者所颂对象是否为同一人需先行甄别,否则会影响结论的可靠性。本文欲聚焦于辨析米姓乐人,以考据为先,兼论米诗作者梁补阙的时代归属以及“都知”角色。从音乐史研究的角度,以小见大,用这样一个细节问题检讨研究方法和学术态度,实则意义重大。 “Full Tang Poetry” There Liang Bu Que poetry “gift of rice are known,” Liu Yuxi poetry “and songwriter Mia Rong.” In recent years, the study of the Tang Dynasty music institutions and music officials appeared in the two poems from the musicians as the same person to prove the case. Whether the two scholar’s objects are the same must first be screened, otherwise the reliability of the conclusion will be affected. This article focuses on the analysis of the musicians of the metrical name, taking the textual research as the starting point, as well as the attribution of the era of Liang Buque, and the role of “knowledge ”. From the perspective of the study of music history, it is of great significance to review the research methods and academic attitude with such a detail question by using the smallest detail.