This book is one of the series of "International Top-level Forum on Engineering Science and Technology Development Strategy", arounding the theme of "Approach for Achievement of Recycling Economy of Biomass Waster". This forum was organized by the Chinese Academy of Engineering, with joint organization by the Metallurgical and Chemical Engineering Department and Beijing University of Chemical Technology. Three main subjects were discussed in this book: the status and the role of biomass recycling economy was described from the perspective of macroeconomic policy; the feasibility and solutions of recycling economy was discussed at the level of chemical processing of biomass and bio-processing technology; the biomass recycling efficiency was discussed in terms of the formation of circular economy industrial chain from biomass.