Aiming at the target requirements of the graduate training plan (version 2020) for curriculum system construction, general requirements of the curriculum system, as well as the course catalogues and settings in similar majors from international and domestic universities have been investigated in detail, and the advantages and characteristics of their curriculum systems are analyzed. A graduate curriculum system for the major of building environment and energy with Chongqing University characteristics is proposed. Some suggestions are put forward, such as construction of international courses, practical courses, online courses, course evaluation mechanisms and ideological and political systems. It provides references for aligning with the national energy strategic development and the double first-class discipline construction objectives, constructing curriculum systems with distinct characteristics, and improving the practical ability of talent cultivation.