The invention discloses a ship lock miter gate and hoist health state real-time online monitoring system. The system comprises a stress-strain monitoring system, a flow-induced vibration monitoring system, a top pivot state monitoring system, a bottom pivot state monitoring system, a gate operation posture monitoring system, an opening and closing force monitoring system, a signal transmission system, a signal acquisition system, a monitoring system, an early warning system, a data system and a PC system. According to the invention, the system is scientific in principle , simple in structure,convenient to purchase adopted components, easy to operate during construction, capable of guaranteeing the monitoring effect and mastering the operation conditions of large metal structure equipmentsuch as a ship lock miter gate and a hoist in real time, and easy to widely popularize in metal structure engineering of domestic harbor and navigation channel engineering due to the fact that the overall construction cost is controllable.