There are many types of puncture in medicine, which can be categorized as surface puncture, deep puncture, special puncture, etc. Some puncture may take less than 1 minute, while a few may take several hours. 1. Body surface puncture: Body surface puncture often takes less time, such as infusion or blood drawing using superficial venous puncture, skilled doctors or nurses can often be completed within 1 minute; body surface mass puncture, such as breast mass, lymph node mass, perianal mass, etc., generally within 10 minutes can be completed. 2. Deep puncture: deep tissue puncture often requires anesthesia and takes longer. For example, thoracic puncture, abdominal puncture, lumbar puncture, bone marrow puncture, etc., which are commonly used in internal medicine, the whole process often takes about 10 minutes to 30 minutes; puncture of deep organs in the body, such as liver puncture, renal puncture, amniocentesis, etc., the whole process often takes about 30 minutes to 1 hour. 3. Special puncture: for example, ventricular puncture, which is often performed after drilling holes in the cranium and brain, and the whole procedure mostly takes from one hour to several hours.