The flora distributed around Mt. Hwangseok were summarized as 495 taxa including 97families, 295 genera, 394 species, 4 subspecies, 80 varieties and 17 forms. In the component ratio oftaxa, pteridophyta was 4.2%, 1.2% of gymnospermae, 78.8% of dicotyledonae and 15.8% ofmonocotyledonae. The rare plants were 9 taxa including Aconitum chiisanense, Eranthis stellata,Aristolochia contorta, Viola albida and so forth. The Korean endemic plants were 13 taxa including Populustomentiglandulos, Pseudostellaria coreana, Aconitum pseudolaeve, Thalictrum actaefolium var. brevistylum and so forth. The specific plants by floristic region were 16 taxa including Cimicifuga heracleifolia,Sanguisorba longifolia, Symplocarpus renifolius, Betula davurica and so forth. The plants adaptable toclimate change were 11 taxa including Aconitum pseudolaeve, Ajuga spectabilis, Carex okamotoi, Rhynchosiavolubilis and so forth. The naturalized plants were 20 taxa including Fallopia convolvulus, Rumex crispus,Phytolacca amrericana, Robinia pseudoacacia and so forth. The invasive alien plant was Aster pilosus. Theemergence of local ecologically important species, set the correct range for the core and buffer zone,transition zone, coded will be necessary, the distribution of the specialty plant areas and rare plants,an area management plan should be organized by nature. In addition, a variety of assessmenttechniques and accurate data to establish the validity of the core area is also set to acquire.