Abstract: During March 2016 and December 2017, field investigation was implemented on woody plant in Mogan Mountain, Zhejiang province. The results showed that there were 501 species of woody plant, belonging to 210 genera and 81 families, among them, 10 species of 6 families and 9 genera of gymnosperms, 491 species of 75 families and 201 genera of angiosperm. Analysis demonstrated diverse floristic composition of woody plant in Mogan Mountain. The floristic composition of the genus was predominant in East Asia, Pantropic and North temperate, accounting for 52.95% of all types (except cosmopolitan distribution type), which has the characteristics of transition from tropical to temperate zone. The floristic origin was ancient and the geographical composition complex with abundant and distinctive bamboo species.