Elevator is an essential vertical platform for high-rise buildings (such as high-rise buildings, shops, houses, multi-storey buildings and warehouses). With the development of society, the scale of buildings is getting larger and larger. More and more floors put forward higher requirements for static and dynamic characteristics of elevator speed regulation and speed regulation range. Elevator is a complex system integrated with mechatronics. It involves not only mechanical transmission, electrical control and civil engineering, but also reliability, comfort and aesthetics. For modern elevators, it should be highly safe. In fact, elevators have taken many safety measures. When designing elevators, the greater safety factor and safety factor are applied to mechanical and electrical components. However, only the manufacture, installation and commissioning of elevators, after-sales service and maintenance can ensure the highest quality of elevators. Overseas, the Regulation implements the integration of elevator manufacturing, installation and maintenance, and establishes a maintenance unit of professional installation team approved by several manufacturing companies, and carries out standardization, installation and commissioning, regular maintenance and inspection and testing. It ensures the reliable operation and safety of the elevator. Therefore, it can be said that it is safer to take the elevator.