The third grade architectural design course plays an important role in the five years of architectural design learning. In the teaching process of the third grade architectural design in Shandong Jianzhu University, the teaching team found that there are some drawbacks in the original teaching objectives, teaching methods and teaching research development. In line with the original intention linking up with the engineering education certification standards, the teaching group borrowed the advanced idea of OBE:taking achievement as the guidance, student-centered, continuous improvement as the development as the guiding ideology of teaching reform, and carried out the overall framework and improvement of the third grade architectural design course. Taking the assignment of "space regeneration" as an example, this paper introduces in detail the specific reform contents of architectural design course for grade three of Shandong Jianzhu University in recent five years from three aspects of setting teaching objectives by stages, refining teaching methods by multi-layer and continuously improving teaching research, and provides a reference for the students from designing elementary to expansion capacity.