Combined with the idea of "new engineering" proposed by the Ministry of education, the problems existing in the course construction and teaching process of traditional energy and power engineering specialty are reformed. Through the construction of "heat exchanger principle and design" course group, a professional teaching reform scheme is designed, which combines theory with practice, talent training and social demand, and forms the interdisciplinary and integration of subject knowledge. At the same time, the teaching method reform and professional teaching staff construction of course group under the background of "new engineering" are explored and practiced, which provides reference for engineering quality education and application-oriented innovation To provide a reference for personnel training.