There are currently 763 plants in 427 genera, 142 families, and more than 30 species listed in the Red Book of Vietnam; 176 species of vertebrate animals in 4 classes: mammals, birds, reptiles and amphibians in Pu Hoat Nature Reserve. The establishment of Pu Hoat Nature Reserve will contribute to the protection of ecosystems, biodiversity, genetic resources, historic sites, cultural landscapes and forest environment. Up to now, Nghe An has already had 2 nature reserves and one national park, including: Pu Huong Nature Reserve, Pu Hoat Nature Reserve and Pu Mat National Park which are located in the Biosphere Reserve to the West of Nghe An with a total area of ​​1.303.278ha with a population of 437 822 people in 9 western districts of Nghe An.