Back pain after having hepatic hemangioma surgery may be caused by high trauma of surgery, postoperative infection, tumor bleeding, thrombosis and other factors. 1. High surgical trauma: liver cyst surgery has a certain trauma, if it is not operated properly, it may hurt the spinal nerves as a result, thus leading to back pain. 2. Postoperative infection: it is related to the incomplete sterilization of surgery, which will cause back pain after being stimulated by inflammation, and will be accompanied by redness, abscess and bleeding of the wound. 3. Tumor bleeding and thrombosis: related to incomplete surgery, if the residual hepatic hemangioma ruptures and bleeds in the body or has thrombosis, it may cause back pain. If your back keeps hurting after the surgery of hepatic hemangioma, it is recommended to consult doctor in time, understand the cause of the disease under the doctor’s guidance, and then carry out the treatment, and remember not to use medicine without authorization before the cause is clarified, so as not to cause adverse reactions.