Insulating leak-repairing type PCB (Printed Circuit Board) multilayer board

The utility model discloses an insulation leak repairing type PCB multilayer board comprising a mounting seat, the left part and the right part of the upper end of the mounting seat are provided with clamping grooves, a main body board is arranged between the two clamping grooves, and the lower part of the left end and the lower part of the right end of the mounting seat are fixedly connected with connecting plates. The left ends and the right ends of the two connecting plates are each fixedly provided with a spring damper, the ends, away from the connecting plates, of the two spring dampers are each fixedly provided with a mounting frame, and a limiting frame is arranged at the upper end of the mounting base. According to the insulation leak repairing type PCB multilayer board of the utility model, the spring damper and the limiting frame are arranged, so that the damping effect of the main body board can be improved under the assistance of the spring damper; and then the limiting frame is connected with the