Driven by the requirements of ecological civilization and spiritual civilization, the excavation, research, and development and utilization of new superior native varieties of plants have become more re ned. The article selects Chinese unique precious tree species resources-Ulmus szechuanica, analyzes its excellent performance, con guration methods and application cases in the application of landscaping, puts forward the key points of the promotion and application value of Ulmus szechuanica, and enhances the development and utilization of unique tree species resources. The promotion and application of superior species in landscaping are of great signi cance.