Abstract
This chapter introduces 8 species of medicinal ferns in 6 families, such as Equisetum ramosissimum of Equisetaceae, Angiopteris fokiensis of Angiopteridaceae, Osmunda japonica and Osmunda japonica of Osmundaceae, Dicranopteris pedata of Gleicheniaceae. Lygodium japonicum and Lygodium scandens of Lygodiaceae, Cibotium barometz of Dicksoniaceae.