The invention discloses a novel low voltage cable branch box. The novel low voltage cable branch box comprises a box body, wherein the top of the box body is fixedly provided with a rainproof cap, anexternal surface of the box body is provided with a door, and the door is movably mounted on the box body; the inside of the box body is provided with a first mounting conducting bar, a second mounting conducting bar, a first miniature breaker arranged on the first mounting conducting bar and a second miniature breaker arranged on the second mounting conducting bar, and the first mounting conducting bar is arranged over the second mounting conducting bar; two sides of the box body are provided with a combined structure, one path of incoming line loop and two paths of outgoing line loops are arranged in the box body, wherein the one path of incoming line loop enters below the first miniature breaker to the second miniature breaker and outputs two paths of outgoing line loops, and two ends of the two paths of outgoing line loops are respectively connected with the combined structure. The novel low voltage cable branch box can realize online plugging in and plugging out, can reduce work load and is safe, simple and convenient to operate.