The lumbar back muscles are one of the important structures to maintain the stability of the lumbar spine. Strengthening the exercise of the lumbar back muscles helps to maintain and enhance the stability of the lumbar spine, thus delaying the process of lumbar strain degeneration and effectively preventing the occurrence of acute and chronic lumbar injuries and low back pain. This is especially important for patients who have had acute and chronic lumbar muscle injuries, lumbar myofasciitis, lumbar strain or lumbar disc herniation and are currently in remission to prevent recurrence of the condition. Due to lumbar pain and bed rest or wearing lumbar girth treatment people, lumbar inactivity, no force, in the long run can cause disuse atrophy and weakness of the lumbar muscle, therefore, should be more strengthen the exercise of the lumbar back muscle. Methods: 1, small swallow fly: prone bed, go to the pillow, hands behind the back, force chest lift, so that the head and chest out of the bed, while the knee joint straight, two thighs force backward also leave the bed, for 3 to 5 seconds, and then muscle relaxation rest 3 to 5 seconds for a cycle. 2, arch bridge: supine in bed, go to the pillow bending knees, both elbows and back against the bed, abdomen and hips up, relying on the shoulders, both elbows and feet the five points to support the weight of the whole body, for 3 to 5 seconds, and then relax the lumbar muscles, put down the hips to rest for 3 to 5 seconds for a cycle. This is the five-point support method. The number and intensity of lumbar back muscle exercise should vary from person to person, and can be practiced more than ten times to more than a hundred times a day, divided into 3 to 5 groups to complete. Should be gradual, the amount of exercise can be gradually increased each day. If you feel lumbar pain, discomfort, stiffness, etc. the next day after exercise, should be appropriate to reduce the intensity and frequency of exercise, or stop exercise, so as not to aggravate the symptoms; exercise should not suddenly force too hard, to prevent the exercise of the waist muscle and twist the waist. If you already have symptoms of lumbar pain, stiffness, discomfort, etc., you should stop or reduce the exercise of the lumbar back muscle; in the acute attack of lumbar pain should rest in time to stop the exercise, otherwise, it may aggravate the original symptoms.