Covering all categories of passenger elevators, goods elevators, escalators, home elevators, this standard's core contents include: first, installation specification, clarifying installer qualifications (certified, ≥2 years experience), installation process, safety protection, commissioning standards, installation process requires full video traceability, acceptance qualification rate must reach 100%; second, maintenance system upgrade, stipulating maintenance cycle (regular ≤6 months, high-speed elevator ≤3 months), maintenance items, maintenance records, mandating preventive maintenance, formulating personalized maintenance plans based on operation data, fault early warning rate ≥90%; third, renovation technical requirements, regulating scheme design, safety assessment, construction renovation, acceptance inspection for elevator renovation, renovated elevators must meet current national standard safety requirements, illegal renovation strictly prohibited; fourth, personnel training and certification, establishing a globally unified elevator installation and maintenance personnel training and certification system, certified personnel can obtain globally universal qualifications, improving professional level of industry personnel; fifth, clear safety responsibility, defining safety responsibilities of construction unit, installation unit, maintenance unit, user unit, establishing a full life cycle safety traceability system, accidents can be traced to specific links and responsible persons. After implementation, this standard will unify global elevator installation and maintenance standards, reducing global elevator failure rate by 25%, providing standard support for Chinese elevator installation and maintenance services to enter the global market.