Fabricated permeable concrete greening block

The utility model provides an assembly type permeable concrete greening block which structurally comprises a box body, the inner side of the box body is divided into a planting area and an overhead area from top to bottom, and a front butt joint tenon and a rear butt joint tenon which are used for assembly butt joint are fixedly arranged at the front end and the rear end of the box body respectively; the collecting cover is bilaterally symmetrical about the middle part of the box body; an avoiding hole is fixedly formed in the middle of the water collecting disc; through holes are fixedly formed in the surface of the punching plate, the collecting cover is matched with the water inlet hole, water on the inclined face of the box body or water seeping from the planting area in the box body is collected and guided into the water collecting disc, the water draining holes are designed, it is avoided that too much water is accumulated in the water collecting disc in the overhead area, and the punching plate is matc