Lumbar flash, which is the old people’s name, in the clinical called acute lumbar sprain. Acute lumbar sprain treatment should be based on comprehensive treatment: first, bed rest is needed. Bed rest is the most basic and important treatment program, bed rest is not only conducive to lifting the lumbar muscle spasm, reduce the activities can also reduce pain, but also conducive to promote the repair and healing of damaged tissue. Generally to sleep on a hard bed, free position, in order not to move or light movement is appropriate, bed rest is generally recommended for about a week. Second, can be used with antispasmodic and analgesic medication, oral non-steroidal anti-inflammatory drugs, such as aspirin, pau d’arco, and can be used with blood circulation and blood stasis of proprietary Chinese medicines, such as qi ci san, bumblebee pill and so on. Thirdly, physical therapy can be used. Fourth, if the pain is severe, you can cooperate with local closed treatment to reduce the pain symptoms.