Abstract: There are 3061 islands in Zhejiang, Which located in about 27 ° 05 / -30° 51/ N, 120 ° 09 / -123 ° 09 / E. It is quite rich in species and complex in composition of families and genera. On the basis of investigation in 1990-1993, there are about 1914 species, 12 subspecies, 175 varieties, 26 forms and 46 cultivarieties of vascular plant, which belonging to 195 families and 909 genera. The geographic element is complex and varied. According to statistics, 702 genera of wild seed plant can be divided into 15 areal-types. Dominant areal-types in the order, are the Pantropic, North Temperate, East Asia and Cosmopolitan. Besides, it has a very obvious zonal law.

Key words: Flora