With the rapid development and popularization of digital technology,traditional airports are facing many challenges and need to be redesigned with a new perspective and approach.The smart airport integrates technologies,such as the Internet of Things,big data analysis and artificial intelligence;turns traditional airports into digital and intelligent comprehensive transportation hubs;improves the efficiency,comfort and safety of air transport;and provides passengers with better service and experience.The study discusses the planning and design concepts,methods and key technologies of smart airports in the Internet+era,so as to provide reference for the construction and development of smart airports in the future,and promote the integrated development and innovation and upgrading of the air transport industry.