How long can lumbar anesthesia recover feeling has a certain relationship with the amount of anesthesia, usually a single lumbar anesthesia can recover feeling after 3~6 hours. Subarachnoid anesthesia, also known as lumbar anesthesia, is the lower abdomen and pelvic surgery, anal and perineal surgery, labor analgesia and other commonly used anesthesia, the clinical often choose levobupivacaine, ropivacaine plus other drugs used in proportion, usually able to meet the requirements of the operation, can routinely maintain anesthesia effect of about 3~6 hours, and then gradually regain feeling. When you return to the ward after the surgery, the anesthetic effect may not have passed, you need to lie down and observe the patient’s vital signs such as blood pressure, heart rate, etc. If there is any abnormality, it needs to be handled immediately by the medical staff.