Abdominal cavity drainage bag

The utility model provides an abdominal cavity drainage bag which comprises a hoisting concave frame, a connecting seat, a hoisting seat, a circular rotating block, a lifting hoisting rod, a vertical sleeve rod, a fixed concave seat, an extrusion plate and a small lead screw, the hoisting concave frame is clamped on the left side of the upper end face of a drainage bag body, and the connecting seat is welded to the middle position of the upper end face of the hoisting concave frame; the upper end face of the connecting base is connected with a circular rotating block, the annular side face of the lifting suspender is sleeved with a vertical sleeve rod, a transverse telescopic rod is welded to the left side of the annular side face of the vertical sleeve rod, and a small lead screw is arranged on the lower side of the interior of the fixed concave base. By means of the design, the problem that an original drainage bag is prone to slipping off in the using process is solved, and the drainage bag is reasonable i