The invention discloses a puncture device for abdominal surgery. The device includes a vertical plate, a puncture needle drive unit, a needle cylinder fixing unit, a lifting unit and a fixing unit; the vertical plate is rotatably connected with a needle cylinder through a rotating shaft, the interior of the needle cylinder is connected with a puncture needle, the bottom end of the needle cylinderis provided with a liquid pumping hole, the liquid pumping hole communicates with a small water pump through an infusion hose, the small water pump is located on the side of the top end of the needlecylinder, a liquid outlet of the small water pump is connected to an external collection bag through a hose, an installation cylinder is installed at the rear side of the vertical plate, and the installation cylinder is connected with a Z-shaped rod; and the puncture needle driving unit includes a driving gear, a driven gear, a second servo motor, a thread rod, a nut and a cylinder. The puncture device for the abdominal surgery provided by the invention accurately locates a puncture position, can stably and safely perform abdominal wall puncture on a patient, and is not easy to cause injury tothe patient.