China achieved great result in the construction of forestry. At the same time, China still faces the grim situation in ecology. One is the heavy sand disaster that the strong dust floating increased from 5 times from 1950s into 23 times in 1990s. Second is the heavy water and soil erosion. The whole country adds annually water and soil erosion area of 10,000 square kilometers. The third is the heavy drought disaster. The fourth is the heavy flood disaster. The fifth is the heavy destruction of while animals and plants, and the sixth is the heavier pressure for the forest resources...