Abstract:With the theory of Thomas S.Kuhn,the authors have discussed the paradigm of Chinese forestry and technology.The main characteristics of the Chinese forestry and technology paradigm for 20's century are that the forestry is not sustainable and the ecosystem destroyed.The core Chinese forestry and technology new paradigm for 21's century is that the forestry is sustainable development and the ecosystem being constructed.The new paradigm of Chinese forestry is discarding the non sustainable forestry management ideas,production manner, techniques and the use manner of forest,but developing some advanced techniques and management ideas.The essential of new paradigm is to build a forestry science and technology system with the characteristics of sustainable development and high quality ecosystem.Now China is developing its forestry total developing ideas,strategic steps,main forestry projects,forestry management ideas,target and main technique system for 21's century.