Abstract: In order to ensure the effective development of online experimental teaching of the plant taxonomy course, a series of comprehensive reforms and explorations are conducted in this article, including identification of plant species, anatomy of floral organ, making of plant specimens, construction and using of taxonomic key, investigation of field plant. And these have achieved good results, making students transform their passive learning into active learning. Students have improved comprehensive qualities in practice, analysis and writing through training in all aspects of the course, and this teaching mode will provide a reference scheme for promoting the reform of online experimental in the special period of epidemic situation.

Key words: Online experimental teaching, Teaching reform, Plant taxonomy