Some pteridophytes are firstly reported from Hainan Province，which include a genus (Mesopteris Ching),a variety (Pteris grevilleana var.ornata Alderw.) and seven species［Arachniodes hekiana Sa.Kurata; Coniogramme wilsonii Hieron.; Cornopteris opaca (D.Don) Tagawa; Diplazium megaphyllum (Baker) Christ;Mesopteris tonkinensis (C.Chr.) Ching; Pronephrium parishii (Bedd.) Holttum; Cyclosorus calvescens Ching］.All the specimens examined are preserved in Herbarium of Shanghai Chenshan Plant Science Research Center,Chinese Academy of Sciences (CSH).