The invention discloses a convenient-assembling rural power distribution cabinet which comprises a power distribution cabinet body. The lower end of the power distribution cabinet body is provided with a mounting base. Two sides of the lower end of the power distribution cabinet body are respectively provided with a fixing device. Two ends of the inner chamber of the power distribution cabinet body are provided with a combined connecting device. One end of the combined connecting device is connected with a fixing device through a connector. A working device is mounted between the combined connecting devices. The upper end of the working device is provided with a heat radiating device. Furthermore one end of the heat radiating device extends to outside of the power distribution cabinet body. The inner chamber of the heat radiating device is provided with a dust collecting device. The inner chamber of the power distribution cabinet body is provided with a control device. The convenient-assembling rural power distribution cabinet has advantages of simple operation in use, and high convenience in mounting. The convenient-assembling rural power distribution cabinet facilitates use so that high convenience is realized in a using process.