The 80-year-old old man appeared lumbar pain symptoms, mainly due to lumbar muscle strain or osteoporosis, specific feasible conservative treatment or surgical minimally invasive treatment. 1. lumbar muscle strain: if it is caused by lumbar muscle strain, first of all, ensure bed rest, local avoid cold, avoid exertion, oral anti-inflammatory and analgesic drugs, such as ibuprofen extended-release capsules, anti-inflammatory and analgesic, and external diclofenac diethylamide latex coating treatment, to reduce inflammatory reaction, relieve local muscle soft tissue pain. 2. Osteoporosis: If the symptoms of osteoporosis leading to low back pain occur, first let the patient rest in bed and apply anti-osteoporosis drugs such as osteotriol and other pills for treatment. If the osteoporosis is more serious and the patient suffers a fracture, minimally invasive surgery can be performed to support the compressed vertebrae and stabilize the vertebral structure to relieve the symptoms of low back pain. All of the above medications should be taken under the guidance of a doctor, do not apply on your own. There may be other causes of low back pain in 80 year olds, so it is recommended to go to orthopedics or spine surgery as soon as possible to find out the specific cause of the pain, and then targeted treatment.