Lumbar soft tissue pain may be caused by lumbar muscle strain, lumbar disc herniation, fasciitis and so on. 1. Lumbar muscle strain: usually caused by acute injury, congenital deformity of lumbar vertebrae and acquired injury, chronic inflammatory reaction, etc. It is also related to factors such as excessive weight-bearing on the waist, standing for a long time, sitting for a long time, etc. Patients often have recurrent lumbar pain or distension, which can manifest as lumbar soft tissue pain. Patients often experience recurrent lumbar pain or swelling, which can manifest as lumbar soft tissue pain. Some patients may also be accompanied by osteoporosis. 2. Lumbar intervertebral disc herniation: usually due to disc degeneration, pregnancy, heredity, lumbar spine developmental abnormality, etc. It is also related to factors such as prolonged desk work, acute trauma and heavy physical labor. Patients often appear lumbar pain, sciatica, lower limb numbness and other symptoms, some patients can also appear lumbar soft tissue pain. 3. Fasciitis: the cause of the disease is not clear, mostly considered with long-term muscle strain, low immunity, cold, damp and other factors. Patients often appear pain in the affected area, muscle tension, muscle weakness, etc., and some may also appear lumbar soft tissue pain. The pain symptoms will be more serious in the morning, lighter during the day, and aggravated in the evening. It is recommended that when the symptoms of lumbar soft tissue pain occur, timely consultation, find out the cause of the disease, and carry out targeted treatment.