The invention belongs to the field of vibration instruments, and particularly relates to a spine deep muscle vibration instrument which comprises a bottom plate, a vertical plate and a fixing mechanism, a fixing disc is arranged at the top of the bottom plate, a servo motor is installed on the inner side of the fixing disc, a lead screw is arranged at the end of the servo motor, a bearing seat is installed at the end of the lead screw, and the bearing seat is connected with the vertical plate. A movable block is arranged on the outer side of the lead screw, a limiting rod is arranged on the side of the movable block, a vibration motor is installed on the top of the movable block, an eccentric shaft is arranged at the end of the vibration motor, a transmission plate is arranged at the end of the eccentric shaft, a connecting rod is connected to the top end of the transmission plate, and a vibration plate is arranged at the end of the connecting rod. A disc is arranged on the outer side of the connecting rod; according to the device, the structure of the device is conveniently and automatically optimized, the damping stability effect of the device equipment is conveniently improved, the device is conveniently protected, the influence of interference on parts is not likely to be caused, and the device is conveniently mounted, fixed and disassembled.