Biomass industry is a sunrise industry supported by the state. "National Economic and Social Development 10th Five-Year Plan" made it clear to "speed up the development of biomass energy." "CPC Central Committee and State Council on actively push forward the development of modern agriculture and new socialist countryside construction of a number of opinions" that "bio-energy, bio-based products and biomass materials as the main content of the biomass industry, is to expand agriculture agricultural function, and promote the use of resources sunrise industry. " Eco-industry is the direction of sustainable development.●  Abundant biomass resources - essential basic raw material●  Output deficiency, environmental constraints - in urgent need of clean pulping technology●  Fertilizer utilization is low, an urgent need to develop an inorganic - organic slow-release fertilizer