Abstract: The genus, Ainsliaea DC. from China is revised in this paper. Three species, A. nana Y. C. Tseng, A. pingbianensis Y. G. Tseng and A. trinervis Y. C.  Tseng, are newly described; two species, A.  chapaensis Merr.  and A. angustifolia Hook. f. et Thoms. ex C. B. Clarke are new records for China and two  new  combinations,  A.  apteroides (Chang)  Y.  C.  Tseng  and  A. macrocephala (Mattf.) Y. C. Tseng, are made. In addition, one species, A. hypoleuca  Diels  ex  Limpr.  and  four  varieties,  A.  bonatii  Beauverd  var. arachnoidea Beauverd,  A.  pteropoda DC.  var.  leiophylla Franch.,  A.  elegans Hemsl. var. tomentosa Mattf. and A. glabra Hemsl. var.  tenuiculis (Mattf.)Chang, are reduced to synonyms.