Due to architecture courses' characteristics of combination of sensibility and rationality, connection of art and technology, it is difficult to measure the conception, deepening process and design results of architectural courses. This also makes design course teaching generally have no rules to follow and cannot be followed, and it is difficult to use standard methods and step-by-step procedures to explain and impart the courses. The teaching effect fluctuates greatly. Taking the curriculum design results of third grade of architecture as an example, by analyzing the spatial operation method, the students are guided to master the learning method of adapting to task goals and restricting elements and construct a self-contained and logically mature design vocabulary, and students' professional accomplishment is cultivated from the shallow to the deep and from the simple to the complex.