Energy conversion and catalysis principle mainly studies the basic principle and characteristic of conversion reaction or catalytic conversion reaction during the change of primary energy into secondary energy. The purpose of this course focuses on the change characteristic, catalysis and key technique in the conversion process of fossil energy, new energy and renewable energy. The course introduces the catalytic conversion and utilization of coal, petroleum, natural gas, solar energy, hydrogen energy, and biomass energy. The fundamental concept and theory of energy conversion and catalysis are also reviewed roundly. Through this course, the students can better understand the key function of energy conversion and catalysis and master the necessary knowledge and ability for the development of new energy.