The invention discloses a gallstone removal device. The gallstone removal device comprises a handle, a sheathing canal, a push-pull rope and a gallstone removal net bag, wherein the near-end part of the sheathing canal is connected with the handle; the push-pull rope is sleeved with the sheathing canal; the gallstone removal net bag is arranged on the far-end part of the sheathing canal. The two ends of the push-pull rope are connected with the handle and the gallstone removal net bag respectively, and the gallstone removal net bag is pulled by the push-pull rope to stretch out of or retract in the far-end part of the sheathing canal; the gallstone removal net bag comprises a bag body, a traction netting wire and an end cap, the bag body is semi-closed, an opening of the bag body faces theaxis of the sheathing canal, the traction netting wire is located on the opening surface of the bag body, the far end of the bag body and the far end of the traction netting wire are fixed together and then fixed to the end cap, and the near end of the bag body is fixed to the far end of the push-pull rope. By means of the gallstone removal device, sediment-form or small-sized stones in the gallbladder can be directly taken out of the body, and the gallstone removal device is simple and practical.