《后汉书·南匈奴传》载，永元二年（９０年），“南部连克获纳降党众最盛，领户三万四千，口二十三万七千三百，胜兵五万一百七十”。其中“胜兵”的性质，林干先生认为“就是脱离生产，只担任作战的常备兵”，并提出南匈奴“常备兵”出现的原因有三：“一是社会生产的进一步 “Post Han Han Huns slave” contains, Wing two years (90 years), “Southern even received the highest reduction of grams of the party, the leading 34,000, mouth two hundred thirty-seven thousand three hundred, winner five thousand One hundred and seventy. ” Among them, the “victory soldier” nature, Mr. Lin Qian that “is out of production, served only as a standing warrior”, and made the South Hun “standing army” for three reasons: "First, further social production