In order to train qualified professionals, this paper explores the teaching system of technical courses through reviewing development process of architectural heritage conservation and discipline construction in domestic and foreign universities, analyzes the teaching objective, course content and teaching form of the postgraduate course conservation technology of architectural heritage, and explores the teaching mode with both breadth expansion and depth extension, to stimulate teaching vitality, improve teaching quality, promote talent training towards a higher level and train technical talents of architectural heritage conservation in line with China's national conditions.