The occurrence of frequent trample in the park green seriously affected the plant growth and the landscape quality.The tramples in four parks in Changsha city were investigated.The results show that the trample frequency along the road in the park was the highest, reaching 100 percent.The trample frequencies of the road interchange and the middle of the green space were 85 percent.The trample frequencies of the patch and the nodes in the park were 70 percent.The trample frequencies of at the end of the road, before the flower border and alo...