The patient has a flashback, can lead to lumbar muscle tissue, deep fascia injury, the patient will feel the lumbar region has obvious tingling, swelling pain, or cut-like pain, and accompanied by localized swelling. In appearance, there will be extensive subcutaneous bruising, palpable localized tenderness, and the patient will have difficulty in bending over, and some patients will have a feeling of hardness and tightness in the lumbar region. By ultrasonography, images of hemorrhage and adhesions within the lumbar muscles can be seen. In terms of treatment, the patient needs to stop the activity, should rest in bed, in the lumbar region should be treated with hot compresses, you can carry out towel hot compresses, physiotherapy, baking electricity, accelerate the absorption of localized bruises, which can alleviate and relieve the pain, and you can also orally take bruxism medicines, such as bruxism pills, shuji vivify blood tablets, yunnan baiyao.