Bombyx mori breeding box facilitating silkworm excrement recovery

The invention belongs to the technical field of silkworm breeding equipment, and particularly discloses a silkworm breeding box facilitating silkworm excrement recovery. The feeding tray is arranged in the box body, the bottom wall of the feeding tray comprises a movable rod and a fixed rod, the movable rod and the fixed rod are arranged in a parallel and staggered mode, and the movable rod is slidably connected with the inner wall of the feeding tray; the collecting mechanism comprises at least one screening net and is arranged on the lower side of the feeding tray, the screening net is connected with the moving rod, and the hole diameter of the screening net is smaller than the distance between the moving rod and the adjacent fixed rod when the moving rod moves to the limit; the collecting disc is detachably arranged on the lower side of the screening net; and the driving mechanism is connected with the screening net and used for driving the screening net to do reciprocating motion in the horizontal directi