The taxonomy of the genus Oberonia L.in China is currently being revised and preliminary results are presented here.Based on the examination of specimens,a limited amount of field-work and leaf epidermis characteristics of 23 species,some species can be divided into different groups,and 35 species have been recognized.But this is not the final result because some problematic species still need to be examined.A list of the groups and species with short not es Is given below.