Clinically, the puncture material used differs according to the puncture site, which results in different puncture costs. For superficial organs such as body masses, breast masses, thyroid nodules, etc., puncture can usually be done with a puncture needle. The cost of the puncture needle is generally around 750 yuan, and the total cost of superficial tissue puncture is generally around 3,000 yuan; second, for the puncture of deeper tissues in the abdominal cavity, the puncture needle is shorter and cannot penetrate deeply into the interior of the lesion, so biopsy gun puncture is often required. The cost of biopsy gun is generally around 1500 RMB, for example, the total cost of puncture of intra-abdominal liver lesions is generally around 3500 RMB. For the puncture of retroperitoneal tumors, in order to avoid damage to the intestinal canal of the abdomen. Under gastroscopy, the puncture is made through the posterior wall of the stomach to enter the inside of the lesion, and at this time, the treatment cost is usually around RMB 4,000.