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 a variety of new changes and new functions. Looking forward to the future, the emergence of super high-rise building will need the development of high-speed elevator, elevator industry products 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 control will improve the safety, reliability, efficiency and comfort of people's life.