The quick look-up diagram of elevator maintenance systematically introduces the classification, performance, model and structural principle of elevator, elevator installation and debugging, elevator basic maintenance skills and typical elevator troubleshooting. The book carries out the principles of systematicness, practicality, from shallow to deep, step by step, and convenience for readers to learn by themselves. The quick diagram of elevator maintenance can be used not only as a training material and a self-study book for elevator installation and maintenance personnel, but also as a reference for teachers, students and technicians in related professional vocational and technical schools.