Mathematics originated from human life and production activities, and architectural activities are one of the basic activities of human existence. If the concepts of numbers and arithmetic operations cannot be said to have originated mainly from human architectural activities, then the generation of geometry is closely related to architectural activities. The word "geometry" comes from "geodesy" in ancient Egypt, which was produced after the Nile flooded to measure the border. Common simple geometric shapes in nature are round, spherical and cylindrical, such as the sun, the moon, the stems of plants, fruits, etc., while rectangles and cubes are almost impossible to find. Rectangles and cubes are human creations, which are related to architectural activities, because squares can be continuously extended or divided by gaps, and cubes can be piled up and erected smoothly.

China has a rigorous and complete modular system, which has achieved a high degree of standardization and generalization. Mr. Li spoke highly of this in his masterpiece The Artist of China. "So far, only the traditional buildings in China have truly realized the standardization and modularization of architectural design." "This is one of the most important achievements of China's architectural technology.