The utility model discloses an isolator state monitoring system based on vibration analysis, including acceleration sensor, intelligent control device, control module and server, intelligent control device includes that the lower extreme connects the flexible foot that is connected with fixed box in isolation switch base, upper end, a fixed box top be equipped with with isolator plug -in strip complex sword groove, the notch in sword groove still rotates through the hinge and is connected with the gland, acceleration sensor sets up in the tank bottom in sword groove, terminal surface under the laminating isolator plug -in strip, acceleration sensor's output signal transmits to control module, the output in control module is connected to the retractable driving mechanism's of flexible foot controller, control module connects in fixed box, with server radio communication. Control module and intelligent control device set up in an organic whole, and response speed is faster, when detecting isolator plug -in strip closure and have the problem, adjust the plug -in strip position through flexible foot, and the material resources of using manpower sparingly need not to send the staff to maintain.