Under the introduction of field theory during architecture postgraduate cultural heritage conservation course, this course was divided into three parts, namely basic theory, case study and practical training. In addition to the traditional learning on basic theory, this course emphasizes on case study and practical training. Meanwhile, put forward ‘education field’ mode through the interaction between ‘teach’ and ‘guide’. This course teaching mode was transformed from ‘teachers’ teaching as the main teaching method to ‘teachers’ guiding as an experiential research which can obtain different information resources from different ways. This model is based on the unique characteristics of cultural heritage conservation as a diversity and cross-disciplinary course, aiming to broaden the horizons of cultural heritage conservation teaching, comprehensively expand the teaching time and spatial scale, and to connect with practice to improve students' participation, in order to make cultural heritage conservation courses become more open and professional as well as train high-quality talents to adapt to diversified development.