Core contents of the standard: First, comprehensively updated terminology, deleting outdated terms, updating the definitions of existing terms, and adding more than 300 new terms; Second, new terminology for smart elevators, adding terminology in the field of smart elevators such as intelligent control systems, IoT monitoring systems, AI fault prediction systems, and group control scheduling systems; Third, new terminology for green elevators, adding terminology in the field of green elevators such as energy feedback systems, green manufacturing, recycling, and carbon footprint; Fourth, scientific terminology classification, classified according to the structure and function of lifts, escalators and moving walks, which is easy to find and use; Fifth, Chinese-English comparison, all terms provide corresponding English translations, which is convenient for international exchanges and cooperation.