Lumbar disc herniation surgery for 70-year-olds, there is a risk of nerve damage, bleeding or cause secondary infection, but the incidence is low, do not worry too much, meet the indications for surgery should listen to the doctor’s advice on whether to take surgical treatment. 1. Nerve damage: Surgery is very traumatic to the nerves, and the risk of surgery itself and improper postoperative care will easily affect the nerve function and lead to nerve damage, and some patients will have nerve root and dural sac damage. 2. Bleeding: the initial stage of surgery is prone to postoperative bleeding, but the attack rate is low. Some patients may bleed during the operation, but through active treatment during the minimally invasive process, bleeding can be effectively controlled and the risk of postoperative bleeding can be reduced. 3. Causing secondary infection: 70-year-old people’s own conditions are not good, the trauma after surgery is relatively large, poor blood sugar control and other reasons are prone to secondary infection, resulting in redness, swelling and pain of the wound, etc., and in severe cases, it will cause pus oozing out. Before choosing lumbar disc herniation surgery, 70-year-old people are recommended to seek medical treatment and diagnose and analyze whether they meet the conditions of surgery through professional physicians, and take conservative treatment or surgical treatment.