Lumbar spine old strain injury can be treated by changing working postures, applying hot packs to the painful parts, medicines and functional exercises. 1. Avoiding triggering factors: old strain injury of lumbar vertebrae is mostly related to long-term bending, weight-bearing on the waist, and prolonged low head work, etc. At this time, it is necessary to reduce or avoid this kind of triggering work to prevent lumbar muscle strain from aggravating. 2. Heat therapy: you can choose to use hot towels in the lumbar area to relieve lumbar pain caused by lumbar spine injury. 3. Medication: When the pain is more obvious, you can use plasters to activate blood circulation and remove blood stasis, and you can also take non-steroidal anti-drugs such as ibuprofen and sodium lorzolophine to reduce inflammation and relieve pain. 4. Functional exercise: you can carry out some exercises to strengthen the function of the lumbar back muscles, such as swallow fly, three-point support, five-point support, swimming, etc., which is conducive to increasing the strength of the muscles around the waist, and play a stabilizing effect on the lumbar vertebrae and the spine. If none of the above methods can alleviate the status quo of old strain injury of the lumbar region, it is recommended to seek timely medical treatment under the guidance of a doctor. The above drugs need to be standardized and rationally used under the guidance of professional physicians and pharmacists.