There are more than 2,100 kinds of terrestrial wild plants in Zhangjiakou, 513 genera, 120 families, among which 369 species are woody plants, 129 genera, 62 families. There are more than 50 wild vertebrate families, more than 300 species and subspecies. There are more than 30 species of mammals in 15 families, 130 species and subspecies of birds in 26 families, 15 species of reptiles in 4 families and 6 species of amphibians in 3 families. There are 27 kinds of wild animals under state key protection. There were 17 families and 68 species of natural enemies of forest and fruit tree pests.