Innovating CYL cadres training and strengthening its effectiveness should implement five changes: transformation from the experience to the science,transformation from one-way indoctrination to the two-way exchanges,transformation from a single preaching to a variety of ways,transformation from extensive changes to the quality one,and from physical education to the stealth education changes.

Discussion on Relationship among the Six Key Forestry Programs,Five Great Changes and salient Development;

Selection to Birth Control Measure"-Theory and Practice on Family planning "Two Change;

According to emerging conditions and problems of the development of forest tree seeds and seedlings since the forest tenure reform had been carried out,this paper had a discussion on the "Four Changes" of forest seed and seedling development in the future.