The utility model relates to an auxiliary device for handcart type mutual inductor verification and a verification system. The device comprises a panel and an aviation socket matched with an aviationplug of a handcart type mutual inductor to be calibrated. The wiring terminal of the aviation socket is connected with a binding post arranged on the panel through a secondary side current wire, and the binding post is used for being connected with a verification device. By using the auxiliary device of the utility model, the wiring work time of verification is greatly reduced, time and labor aresaved, and the work efficiency is improved.