The invention discloses a row-type line-incoming five-way quick meter assembling and disassembling device with no need for cutting off a power supply. The device comprises an insulating fixing base, a conductive support, a conductive line-incoming connection element, a conductive line-outgoing connection element and a wiring bar. According to the row-type line-incoming five-way quick meter assembling and disassembling device, an electric energy meter can be assembled and disassembled with no need for cutting off the power supply, power failure loss caused by the situation that the power supply has to be cut off when the meter is to be assembled and disassembled and inconvenience brought to customers are greatly reduced, and power supply quality is improved.