「南巡碑」為北魏文成帝拓拔濬南巡所作碑立，在頌功誌記之餘，也在碑陰處刊載了當時伴隨巡行的群臣姓名、官稱與爵位；其中，官稱部分，除傳統漢人職官，更見有鮮卑職官，包括內阿干、內行內小、內三郎、斛洛真、羽真、折紇真、雅樂真等。本文即分就傳統史傳文獻、墓誌碑銘，以及學界相關研究成果，針對以上諸鮮卑官稱進行探索，如內阿干為內行長的鮮卑語稱、內行內小為主君選人以充用近身或內廷、折紇真為北魏前期尚書諸曹及內（外）都曹主事官的鮮卑語稱、雅樂真幢將或為羽林（或虎賁）幢將的鮮卑語稱。至於內三郎為禁中衛士，斛洛真為帶器仗的三郎衛士，由內三郎領斛洛真軍將主之；而得授羽真者，多為拓拔宗親、姻親，以及擁部率戶翊戴元魏有功者。

Content of the inscription in Northern Wei Dynasty was ode to the Emperor Wencheng’s south inspection tour. It must be noted that, in the back of the stone record of the name and officials title of the entourage. Among them, the offical title of the entourage, in addition to the Han official, there Xianbei official, including nei-a-gan, nei-xing-nei-xiao, neisan- lang, hu-luo-zhen, yu-zhen, zhe-ge-zhen, ya-le-zhen etc. According to history books, classical literatures, epitaphs, and refered to the relevant academic researchs, to explore for the Xianbei official of stone inscription.