With the macro background of the 4th scientific and technological revolution in the world and an important basis of the Chinese national strategy on AI in construction industry, this paper integrates multi-dimensional perspective of basic theory, industry characteristics and industrialization to propose the advanced concepts of "AI-Smart Building", "AI architecture", "Smart Building+AI" and industrial chain model, as well as the method of using industrial chain model to guide the practice of industrial planning and design projects.Based on the current situation of industrial development and the development trend of the following 3~5 years, 28 core application scenarios of AI-Smart Building are summarized and abstracted, which mainly focus on building fault diagnosis prediction and health management, as well as intelligent video analysis and understanding based on deep learning.At last, this paper analyzes the core technology dependence of the future "AI-Smart building", and gives suggestions on the key directions for the development of the industry.