Abstract:In this paper, the diagnoses of 22 new species and 1 new variety of pteridophytes from Yunnan, 3 new combinations of the genera Osmundastrum Presl. Cyclosorus Link and Phymatopteris Pichi-Serm. , 2 new statuses of the genera Athyriopsis Ching and Polypodiodes Ching are presented, and 14 species of pteridophytes new to China or Yunnan are reported.