"New engineering" is the direction of engineering education reform in China based on the new requirements of national strategic development, the new situation of international competition, and the new requirements of moral education. Under this opportunity, the traditional engineering majors urgently demand reform. Taking building environment and energy engineering as an example, according to the personnel training characteristics of "new engineering" and the professional features of building environment and energy engineering, the ideas and measures for "new engineering" construction of building environment and energy engineering are introduced, and reasonable suggestions for curriculum system reform are put forward.