Space is the core issue and key element of modern architecture and space design is the important and difficult point of architectural teaching in most of the architectural schools in China, thus the training of space design plays an important role in the entire architectural teaching system. With the introduction of the architectural teaching system of the lower grades in Shandong Jianzhu University, this paper describes the teaching practice and research in architecture under the main clue of space design with the example of space limitation and exhibition design, and summarizes the experience from the teaching process. Utilizing space design as the main clue, the teaching practice amends the shortcomings of traditional teaching, making the teaching not only comply with the current trend of architectural teaching, but also have its own remarkable characteristics.