Lumbar muscle spasm, lumbar tissue adhesion, lumbar localized occupying lesions can cause lumbar nodules. 1. Lumbar muscle spasm: acute lumbar sprain, lumbar muscle strain and local cold in the lumbar spine, resulting in local muscle spasm, may cause lumbar nodules, manifested as localized swelling, pain, etc., and part of the lumbar spine may be limited. 2. Lumbar tissue adhesion: mainly due to previous lumbar injuries, local tissue adhesion after the injury is healed, or local scarring, thus forming nodules. 3. Lumbar locoregional diseases: such as lumbar lipoma, fibroma, localized lumps, which may be accompanied by pain and discomfort, and nodules. Once you find the waist nodules, you need to go to the hospital in time, find a specialist to clarify the cause of the disease and then further treatment, so as not to delay the treatment.