Fasciitis of the muscles of the low back is known as low back muscle strain, low back fibrositis, low back fascial pain syndrome, and rheumatism. The muscles of the low back are surrounded by fascia, and there is also fatty tissue under the fascia, which can pass through the fascia to form a hernia. Nerve branches and blood vessels also penetrate the fascia. 1, the cause of muscle injury exudate bleeding to the muscle and fascia between the inflammatory adhesions, moisture and cold, chronic muscle strain fascial hypertrophy adhesions, fascial fissure, fat herniation, neurovascular strangulation pressure, muscle fascial stop strain end disease lesions, acute low back muscle injury is not timely healed into chronic lesions, and so on are the causes of symptoms. 2.Symptoms and diagnosis Most of them have spontaneous pain. In mild cases, localized soreness is predominant, and the site can be in the interscapular region or in the sacrospinous muscle. Sometimes there is a string of numbness to the back of the shoulder and the outer hip and thigh of the upper limb, but less than below the knee. In severe cases, the pain affects sleep, especially in the early morning of the latter half of the night. It is aggravated by activity and is positively correlated with the amount of exercise. 3.Treatment Conservative treatment: control the amount of exercise, exercise the lumbar back muscles appropriately, do pulling exercises of the lumbar back muscles after exercise and at night before going to bed, that is, body forward flexion to try to lengthen the lumbar back muscles, which can relieve muscle spasm and improve blood circulation. During severe pain can be protected with a peri-waist. If the symptoms are reduced, it should be removed so as not to cause muscle atrophy. Physical therapy: such as heat therapy, ultrashort wave, short wave, cupping, etc. Massage and acupuncture are effective, especially electric acupuncture is more effective. Medication: oral medication such as vitamin E, fotarine, pau taisong, fenbid, loxoprofen, etc. Topical use of Chinese herbal medicine to dredge the tendons and activate blood circulation to relieve pain is also effective. Trigger point injection therapy. Interventional treatment: radiofrequency treatment of the posterior branch of the spinal nerve; minimally invasive muscle release.