The utility model relates to an electric power safety technical field, in particular to transformer core multiple spot earth fault discharge impact ware. This impacter, including direct current voltage generator, direct current voltage generator series transformer, two direction switch is connected to the transformer, two direction switch connects transformer core, the transformer core earth of casing, transformer core connects behind the direct current voltage generator, direct current voltage generator ground connection, wherein, this impacter still includes electric capacity C, electric capacity C one end is connected with two direction switch, and the other end is connected with direct current voltage generator and is parallelly connected with transformer core, parallelly connected the forming of circuit that electric capacity C comprises multiunit electric capacity and switch. The utility model provides a transformer core multiple spot earth fault discharge impact ware, this impacter adopt the electric capacity ballistic method to strike the electrically conductive foot bridge among the transformer oil fall, at utmost protection transformer core ground connection safety.