Abstract:One newly recorded genus Tsaiorchis and five newly recorded species including Gastrochilus nanus, Liparis krameri, Malaxis microtatantha, Thrixspermum saruwatarii and Tsaiorchis neottianthoides of Orchidaceae are reported from Guangdong. All specimens are preserved in Herbarium of South China Botanical Garden, the Chinese Academy of Sciences (IBSC).