本文較為詳細地比較了中美高校圖書館專業職務制度中的四個主要問題：專業職 務等級劃分、任職條件、晉升程序與方法、工資待遇，并對改善我國專業職務制度提出了幾 點建議。

　　　　　This paper intends to make a detailed comparison with the professional rank system for librarians in Mainland China and the United States. There are four main topics, namely, to differ the professional ranks, qualifications of the position, the procedures and methods of promotion, and the salaries. Finally, there are some suggestions for improving the professional rank system in Mainland China.