Core contents of the standard: First, scrapping judgment standards, clarifying the judgment conditions and technical requirements for elevator scrapping, and stipulating the design service life and scrapping process of elevators; Second, dismantling technical requirements, stipulating the basic principles, processes, methods and safety requirements for elevator dismantling, emphasizing environmental protection and safety protection during the dismantling process; Third, recycling requirements, clarifying the recycling methods and requirements for different elevator components, and stipulating the inspection, repair and remanufacturing standards for reusable components; Fourth, hazardous substance treatment, stipulating the identification, collection, transportation and treatment requirements for hazardous substances in elevators to prevent hazardous substances from polluting the environment; Fifth, management specifications, clarifying the responsibilities of elevator manufacturers, user units, dismantling enterprises and recycling enterprises, and establishing an elevator recycling information traceability system.