In order to train qualified professionals, this paper discuss the teaching system of technical courses through reviewing development process of architectural heritage conservation and discipline construction in domestic and foreign universities. The important part of the paper is the teaching objective, course content and teaching form of the postgraduate course “conservation technology of architectural heritage” in School of Architecture, Southeast University. Through exploring a perfect teaching system with both breadth expansion and depth extension, stimulating teaching vitality, improving teaching quality, promoting personnel training towards a higher level and training technical professionals of conservation technology of architectural heritage who could adapt to Chinese conditions.