《汉书·地理志》载桂阳郡“有金官”。宋明清的注释家对此出现了“金官说”和“铁官说”。王先谦《汉书补注》采集众说曰:“官本金作铁,引宋祁曰:‘铁官’,邵本作金官;徐松云:‘宋本作铁官’。”当代学者或持“金官说”,或持“铁官说”。《辞源》曰:“金官,采金之官。《汉书· “Han Geography” contains Guiyang County “Golden Officer.” Annotators of the Song, Ming and Qing Dynasties appeared “Golden Officials” and “Tie Guan said.” Wang Xianqian “Han Annotation Collection” Chung said: “Official capital for the iron, cited Song Qi said: ’Iron official’, Shao as the official; Xu Songyun: ’Song for the iron officer’.” Contemporary scholars or holding “Golden officer said,” or hold “iron officer said.” “Ci Yuan” said: “Golden Officer, the official gold mining.” Han ·