The use of IL as reaction media for biocatalysis in these years is discussed.Enzymes of widely diverging types are catalytically active in IL or aqueous biphasic IL systems.

• 说明了不同类别的酶在离子液体或水合离子液体两相体系中具有催化活性，尤其是脂肪酶，在无水的离子液体介质反应体系中不仅能保持很好的活性，其手性选择性和操作稳定性往往优于传统介质中的表现。