The utility model provides a discharger appliance for testing an electronic fence. A conducting rod hook head is mounted at one end of the conducting rod; a third bolt penetrates through the conducting rod; second spring lock gaskets sleeve the periphery of the third bolt and are positioned on two sides of the conducting rod; a second nut and a third nut are mounted on the third bolt; a wire is fixed between the second nut and the third nut and located on the periphery of the third bolt. A grounding pile head is installed on the wire. A universal joint is arranged on the conducting rod and ispositioned between the conducting rod hook head and the second bolt; the universal joint and the conducting rod are fixed through a first bolt; wherein the universal joint is provided with a multi-stage telescopic rod mounting seat through a universal joint mounting seat, a multi-stage telescopic rod is inserted into the multi-stage telescopic rod mounting seat, the multi-stage telescopic rod mounting seat is provided with a fastening bolt for limiting the multi-stage telescopic rod, the fastening bolt is provided with a fastening bolt handle, and the multi-stage telescopic rod is provided with an insulating handle. The device is high in test efficiency and good in safety and stability.