The treatment methods of chronic lumbar muscle strain injury mainly include rest, physical therapy, medication, closed treatment and so on. 1. Rest: Chronic lumbar muscle strain should pay attention to rest, avoid exertion and lumbar weight bearing. 2. Physiotherapy: Physiotherapy, massage, massage, etc. can be chosen to relieve the tendons and activate blood circulation therapy, and towels can also be used to apply hot compresses. 3. Drug therapy: you can take non-steroidal anti-inflammatory and analgesic drugs, such drugs have strong anti-inflammatory, analgesic effect, can relieve pain, such as celecoxib, ibuprofen and so on. 4. Closure therapy: If there is a fixed pressure point, 0.5% to 1% procaine plus prednisolone acetate or hydrocortisone acetate can be used to close the pain point. Once the lumbar discomfort and can not be relieved, should go to the hospital in time and targeted treatment. Physical therapy and drug treatment should be carried out under the guidance of a doctor.