Illustrating cases of the biomass application, such as bio-resource recycling, production of biogas, and biodiesel(or bioethanol). Clarify the conditions on how to generalize above, and discuss how they affect the society applying biomass resource. Through the illustrating and practicing on production of biomass application, students can be trained to think systematically, and to deploy their creativity, then they can join the study and the future contest on biomass applications.