Distribution box with high space utilization rate

The utility model relates to the technical field of distribution boxes, in particular to a distribution box with a high space utilization rate, which comprises a box body, sliding grooves are formed in two sides of the inner wall of the box body, a plurality of sliding grooves communicated with the sliding grooves are formed in two sides of the inner wall of the box body, and a plurality of placing assemblies are arranged on the inner side of the box body; the placing assembly comprises a sliding block matched with the sliding groove, the side face of the sliding block is fixedly connected with a placing plate, and the sliding block is matched with the sliding groove. The electrical element placement device is reasonable in structure, the groove holes are manually held to drive the placement plates to slide into the corresponding sliding grooves along the sliding grooves, the distance between the placement plates is adjusted, placement of different electrical elements or position adjustment of the electrical