Disposable anesthesia puncture bag: according to clinical need to divided into epidural puncture bag AS – E, lumbar puncture bag AS -s to anesthesia, nerve block anesthesia puncture bag AS – N, joint anesthesia epidural and lumbar puncture bag AS Ⅱ – E/S. Optional components are available according to requirements. AS-E is used for human body to do epidural nerve block anesthesia puncture, injection of drugs; AS-S is used to puncture and inject drugs when the human body does subarachnoid anesthesia puncture; AS-N is used for puncture and injection of drugs in nerve block anesthesia. The AS – E/S Ⅱ for human to do outside of stiff backbone nerve block, subarachnoid block anesthesia puncture, injection drug use.