Species diversity of orchids in The Gunung Simpang Nature Reserve. Cianjur. West Java was investigated, where thirty three species of orchids are recorded. Two species (Ceraiosiylis capiialu Z. & M. and Trichogloitis ngida Bl.) are regarded as endemic. Three species are new records to Java namely Appendicula babiensis J.J.Sm., A. aberrans Schltr. and Bulbophyllum appressicaule Ridl.