The invention discloses a mutual inductor replacement, loading and transporting auxiliary device which comprises a lifting cart and a position fine adjusting device; the lifting cart comprises a cart body, a load platform, a main scissor lifting frame and a driving mechanism for driving the lifting of the main scissor lifting frame, the lower end of the main scissor lifting frame is connected with the cart body, and the upper end is connected with the load platform; The position fine adjusting device is arranged on the top surface of the load platform and comprises a work platform, a lift platform and the like. According to the invention, the device can be used for transporting the mutual inductor and assisting the mounting and dismounting of the mutual inductor, and the device can directly transporting the mutual inductor to a switch cabinet outlet cabin and can coarsely adjust the position of the mutual inductor up and down and finely adjust the position of the mutual inductor forward, backward, left, right, up and down, the device can safely, conveniently, time-savingly and labor savingly implement the mounting, dismounting, transporting, loading and unloading work of the mutual inductor, the labor intensity is reduced, the personal safety of staffs of electrical equipment and maintenance is ensured, and the device has higher popularization and application value than before.