Based on the investigation and identification of bryophytes in Longshou Mountain and the surrounding wetlands from Yongchang County,Jinchang City,Gansu Province,one newly recorded genus and four newly recorded species of Pottiaceae in Gansu Province are reported.They are Pterygoneurum Jur.,P.ovatum (Hedw.) Dix.,P.subsessile (Brid.) Jur.,Tortula atrovirens (Smith) Lindb.and Desmatodon cernuus (Hueb.) Bruch & Schimp.respectively.The voucher specimens are deposited in the Herbarium of Inner Mongolia University (HIMC).