The invention discloses a specialpuncture device for the abdominal operation.The special puncture device comprises an outer sheath tube, wherein an inner needle tip is arranged in the outer sheath tube;a positioning block is arranged at the top of the outer sheath tube, an upper cover is arranged above the positioning block, and the inner needle tip is connected with the upper cover; a groove is formed on the side surface of the outer sheath tube; a rubber stopper is arranged on the groove; the rubber stopper is provided with a drainage hole. The special puncture device has the following advantages:by arranging the groove provided with an opened rubber plug on the outer sheath tube, it is convenient for introducing the drainage tube from the side without leakage; the rubber stopper can becompletely removed after being inserted into the drainage tube, and it is convenient for the drainage tube on the groove side to be separated from the outer sheath tube. Therefore, the operation efficiency of the abdominal cavity is improved, the operation time of the abdominal cavity is shortened, and the treatment risk of the patient is minimized with good effect.