Abstract: Based on field investigations of the Fourth National Survey of Traditional Chinese Medicine Resources in Guangdong Province,along with subsequent specimen identification and literature review,two newly recorded species of Orchidaceae in Guangdong Province were discovered and reported,namely Liparis delicatula Hook.f.and Peristylus tenuicallus Ormerod.Detailed morphological descriptions and characteristic plates are also present.These new records enrich the documented plant diversity of Guangdong Province.