Eleven new species of the family Mysmenidae occurring in China, in addition to one known species, Mysmenella gongi Yin, Peng et Bao, 2004, that was reported from Hunan Province, are diagnosed, described and illustrated. Three genera, i.e., Calodipoena, Mysmena, and Trogloneta, are firstly reported in China. Mysmenella pseudojobi sp. nov., where is found hitherto at the northest range of distribution of the family in China, and Trogloneta denticocleari sp. nov. is collected in caves. Mysmena spirala sp. nov. is collected from rainforest in Hainan Province. Calodipoena biangulata sp. nov., C. cornigera sp. nov., Mysmena zhengi sp. nov., M. rostella sp. nov., M. furca sp. nov., M. arcilongus sp. nov., Mysmenella menglunensis sp. nov. and Trogloneta speciosum sp. nov., from Xishuangbanna in Yunnan Province, are collected by fogging. Natural history and distributional map are provided.