The invention discloses a comprehensive security management system for safeguarding, fire control and elevators. The system comprises system equipment (1), an equipment data conversion device (2), computer communication interfaces (3), a database constructor (4), a management function setter (5), a comprehensive video manager (6), an electronic map comprehensive manager (7), an alarm event coordinated controller (8), a data processor (9) and an Internet of things manager (10), wherein the system equipment (1) communicates with a computer; the equipment data conversion device (2) converts transmission data for communication with the computer; the computer communication interfaces (3) connect the equipment and the computer for communication; the database constructor (4) constructs a sensing and control equipment database; the management function setter (5) sets system management functions; the comprehensive video manager (6) monitors and manages videos; the electronic map comprehensive manager (7) manages each system by utilizing electronic maps; the alarm event coordinated controller (8) processes alarm events; the data processor (9) processes the data of each system; and the Internet of things manager (10) comprehensively manages each system in a networking way. By the system, the comprehensive management and control of safeguarding, fire control and elevator security systems are realized, a plurality of forms of video monitoring, equipment control and equipment state monitoring are coordinated in alarming, and a technical problem about the coordinated control of the system equipment is solved.