This paper reports the vascular plants resources of The Gaolan Islands in Guangdong Province. As preliminary investigation reveaied 162 families,501 genera and 752 species(including 56 species of cultivited plants);among them 19 families,26 genera and 33species were ferns; 6 families 8 genera and 11 species were gymnosperms; 137 families;467 genera and 708 species were angiosperms. There were 4 precious,rare and endan-gered species; 2 indigenous species; 92 timber species; 235 medicinal plants 58 wild orna-mental plants.The natural vegetation consisted of evergreen broad-leaved forest ever-green bushland,mangrove thickets and grassland.