Cultivating first-class talents is not only an important connotation of constructing first-class disciplines, but also a vital dimension for evaluating the outcomes of discipline construction under the background of "Double First-Class" construction. Regarding professional degree students, cultivating their innovation and practical abilities is a crucial role for university education under the new era. Taking the major of architectural environment and energy in the School of Civil Engineering of Chongqing University as an example, this paper investigates the multiple training models for professional degree students, which integrate international theoretical teaching mode with innovative practical teaching mode of production, teaching and learning. Also, it explores the construction of international theoretical teaching system and multi-level practice platform, which aims at improving the innovation and hands-on ability of master's degree graduates in built environment and energy.