Abstract: Hainan Island is situated in the southwest of Guangdong Province,and the north of South Sea(18°09'～29°11'N and 108°37'～111°04'E).It is the second big Island of about 33 600 square kilometres and largest tropical district in China. In the Island there are several forest vegetation types,abundant fauna and many plant species. There are 37 species of white in Hainan Island,of which 35 species have been collected by us and the other 2 species are estimated from other publications. The 37 species come from 13 genera. Many of them are typical species of Orient Region. 67.57 percent of the white are distributed in Orient Region. Most of the white species are distributed in tropical semi-deciduous monsoonforest,tropical evergreen monsoon forest and tropical mountain rain forest. In tropical,mountain rain forest,species of living beings are abundant,31 species of white have been collected,accounting for 83.78% of the total. 10 species of them are peculiar species in Asian tropical district,9 species of them are distributed in tropical mountain rain forest. The topmost appearance period of many white species are found in April～June every year.