Abstract: On August 8, 2016, investigations were carried out on vascular plant and plant communities on Daotiaoshan Island, Zhejiang province based on remote sensing image in 2015. The result showed that there were 24 species of 22 genera and 15 families. Species of Asteraceae, Poaceae and Cyperaceae occupied 41.6% of the total one, and herbaceous plants 75%. On the island, vegetation coverage was 10.57%, including life form of shrub, crub-grassland and grassland, accounting for 5.86%, 4.49% and 0.22% of the land area. Five dominant plant communities were as follows: Rhaphiolepis umbellata community, Gymnosporia diversifolia community, Crossostephium chinense community, Lysimachia mauritiana community, G. diversifolia + C. chinense community.