Flash waist in the clinical treatment is called acute lumbar sprain, mostly engaged in physical strength or sports posture improper causes to lumbar muscles, ligaments, fascia and other soft tissues overstretched acute sprain and contusion, often severe pain in the waist, deep breathing, coughing and abdominal exertion can aggravate the pain. First of all, strict bed rest is required, followed by a combination of physical and drug therapy, timely local cold compresses, and later hot compresses can be taken, if necessary, oral pain medication: 1, bed rest: acute lumbar sprain patients need to strictly bed rest, can not get out of bed at will, to avoid compression of the lumbar intervertebral disc, as well as causing further ligament or soft tissue injury; 2, physical therapy: acute lumbar sprain should be Timely local cold compress, can use towels and other items wrapped in ice in the waist for ice, to avoid ice directly on the skin, so that the skin frostbite, cold compress can make vasoconstriction, reduce pain, can also reduce local exudation, relieve swelling. Local hot compresses can be applied after 48 hours of lumbar sprain to promote blood circulation and relieve the pain and discomfort of lumbar sprain. Acute lumbar sprain can also go to the hospital under the operation of professional doctors to carry out acupuncture treatment corresponding to the lumbar eye, the commission and other points, to activate blood circulation, dredge the meridian effect. You can also use infrared irradiation, electromagnetic therapy and other physical therapy programs to help improve blood circulation and promote recovery; 3, drug therapy: when the pain is severe, you can take oral non-steroidal anti-inflammatory drugs or muscle relaxation drugs under the guidance of a doctor to relieve the pain caused by lumbar muscle sprain, reduce inflammatory edema, as well as relieve muscle tension and relieve the pain caused by acute lumbar sprain.