The invention discloses a security management and control command system, which comprise a monitor terminal, a master station platform, an on-site monitoring apparatus and a communication network, wherein the master station platform is respectively connected with the monitor terminal and the on-site monitoring device through the communication network, and the on-site monitoring device comprises an identity card reading module, a fingerprint collection module, a barcode scanning module, a camera, a microphone, a transmission module, a memory, a touch screen, a keyboard and a single chip microcomputer; and the identity card reading module, the fingerprint collection module, the barcode scanning module, the camera, the microphone, the transmission module, the memory, the touch screen and the keyboard are all connected with the single chip microcomputer, and the on-site monitoring device is connected with the master station platform through the transmission module. The system integrates multiple functions to realize the remote security monitoring and command management and control on a construction site.