Abstract: There are always some easily-confused plants in the teaching process of Plant Taxonomy which are difficult to discriminate for the students.Additionally, the main features that can be used to distinguish of these plants from each other are difficult to obtain from the complex books on plant taxonomy. The application of plant retrieval list in distinguishing some easily- confused plants growing in Pu＇er City of Yunnan Province by exhibiting main features of the plants was introduced in this paper, so as to provide an effect tool to distinguish the easily-confused plants for the students.