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There are almost 400 species(containing 8 varieties) of pteridophytes on Hainan Island, belonging to 43 families and 114 genera, one third of which are officinal. To understand the distribution of pteridophytes resources of Hainan Island, we conducted this survey mainly by photographing the habi-tat, plant morphology, sorus and specific traits of some pteridophytes. The results showed that nearly 32 families and 94 species were recorded. These pter-idophyte herb resources play important roles in medical treatment of native Li nationality people.