Nine ferns are reported as new records from Hainan Island,China.They are Allantodia alata(Christ) Ching,Allantodia petelotii(Tard.-Blot) Ching,Microsorum steerei(Harr.) Ching,Pteris decrescens Christ,Pteris majestica Ching ex Ching et S.H.Wu,Pteris oshimensis Hieron,Selaginella boninensis Bak.,Cyrtomium fortunei J.Sm.and Polystichum kwangtungense Ching.All the voucher specimens for these ferns in the present paper are preserved in Herbarium of South China Botanical Garden,the Chinese Academy of Sciences (IBSC).