Abstract:The natural properties of the proposed Nanling National Park in Guangdong Province are analyzed by using the naturalness evaluation model. The analysis results show that the original natural state area and natural state area are more than 95% of the total area of the park. It shows that the natural base of Guangdong Nanling National Park has a strong natural property, and the authenticity of natural ecosystems, biodiversity, natural heritage and natural landscape is strong, differentiated protection and management strategies need to be implemented in different naturalness degrees areas in the future.