Abstract: The classification and properties of acidic ionic liquids are summarized. The application of Lewis acidic ionic liquids，Brønsted acidic ionic liquids and bi-acidic ionic liquids in catalysis reactions is reviewed. Researches on supported acidic ionic liquids and determination of acidity of ionic liquids are described. The current problems and further trends for their application are discussed.

摘要： 介绍了酸性离子液体及其分类，对酸性离子液体的特性进行了概述。综述了近年来Lewis酸性离子液体、Brønsted酸性离子液体、双酸性离子液体在催化反应中的应用研究进展，对酸性离子液体的固载化及离子液体的酸性表征方法进行了评述，提出了酸性离子液体在应用过程中存在的问题和发展方向。