tree garden covers an area of 23000 square meters. It is divided into Magnolia family area, rare and endangered plant area, economic forest area and forest plant area. A total of 81 genera and 2551 species of various plants and more than 20000 plants are transplanted and cultivated, including 112 rare and endangered plants, 23 national first-class protected plants and 25 second-class protected tree species, which fully reflects the richness and diversity of plant resources in Yunnan, as well as China's achievements in the effective protection of rare and endangered plants in the long history, human beings have used trees to create a splendid material culture related to them.

tree garden mainly shows China's achievements in the protection of rare and endangered plants. The cypress at the gate of the tree garden is more than 300 years old and 13.8 meters high with a diameter at breast height of 1.1 meters. It was transplanted from Anning City, 70 kilometers away, setting a new record for the transplanting of cypress plants in the world.

arboretum, most of which are big trees, which are rare. The regional characteristics of Yunnan as the most abundant forest germplasm resources in the world and the status and role of Yunnan in the study of magnolia plants in the world. According to statistics, there are 15 genera and 150 species of Magnoceae in the world, and there are 11 genera and 120 species in Yunnan. There are more than 10 kinds of national first-class protected plants in the rare and endangered plant cultivation area, such as Qitong, Yunnan yew, bald fir, golden tea with golden color and second cherry tree called dinosaur food.