The present invention is a cartilage piercing device comprising a body and a piercing member, the body having a handle portion and an extension portion, the top portion of the handle portion having a tapping portion extending from the bottom end of the handle portion The lower extending portion is disposed on the other end of the extending portion relative to the grip portion, the bottom end of the piercing member has a piercing surface, and the piercing surface has a plurality of lancets, and the created cartilage piercing device can be applied to the minimally invasive knee joint In the operation, the physician can hold the grip portion, use the extension portion to extend from the surgical incision at the knee joint, and then hit the tapping portion at the top end of the grip portion with the forceps, so that the plurality of piercing needles can pierce the cartilage at the same time. The formation of a plurality of through holes allows the doctor to significantly shorten the time during which the surgeon performs the surgery.