The design of elevator control system based on PLC can greatly improve the level of elevator control, provide convenience for fault detection and maintenance, improve the safety and efficiency of elevator operation, and bring convenience to People's Daily life. With the development of science and technology, elevator technology will produce various new changes and functions. Looking into the future, the emergence of super high-rise buildings will require the development of high-speed elevators, and the products of the elevator industry will be more colorful. In short, with the continuous development of science and technology, the elevator industry, as a sunrise industry, will be improved and its performance will be further improved. Future elevator controls will improve safety, reliability, efficiency and comfort in people's lives.