Pain stick should refer to the clinical analgesic pump, do surgery patients after surgery to do puncture in the back through the spine, install a thin catheter, and then lead to the outside of the body, the outside of the body and then connected to a machine, the small machine inside will be timed, continuous pumping into the tiny amount of painkillers, which is commonly used clinically as a way to stop pain. The average price is a few hundred dollars, around$200-400, as the exact price also depends on the composition of the medication used, mostly within$500, and most of these medications can be reimbursed. If the post-surgery trauma is relatively large, the use of analgesic pumps after surgery will make the patient feel more comfortable, the mood is more pleasant, conducive to early post-surgery activities out of bed, conducive to early recovery of post-surgery bowel movements, conducive to early post-surgery eating, strengthen nutrition, so as to better recovery.