Abstract: Through the investigation and statistics of ferns in Miyi County, there are 315 species of ferns, belonging to 39 families and 84 genera. The dominant families were Dryopteridaceae and Polypodiaceae, with a total of 16 genera and 104 species, accounting for 33.02% of the total species. The dominant genera are Polystichum, Dryopteris, Asplenium, Pseudotumorous fern, etc. The geographical components at the family and genus levels were dominated by pantropical distribution, while the species level was dominated by East Asian distribution, endemic to China and tropical Asian distribution.