This course takes the Taihang Heavenly Road in Jingxing, Hebei as an example to demonstrate the improvement and progress of the mountain environment under the environmental protection concept of "green water and green mountains" in China. Jingxing County is a mountainous county located at the eastern foot of the Taihang Mountains, where mineral mining was once a pillar industry of the economy; since entering a new era, in order to practice the scientific development concept of "green mountains and clear waters are like mountains of gold and silver", Jingxing County has gradually eliminated high polluting enterprises, restored mining ecology, planted trees and afforestation, and on the basis of protecting the natural environment, help Jingxing embark on a sustainable path of green development.