The lumbar back muscle is one of the important structures to maintain the stability of the lumbar spine. Strengthening the exercise of the lumbar back muscle helps to maintain and enhance the stability of the lumbar spine, thus delaying the process of degeneration of the lumbar spine strain, which can effectively prevent acute and chronic lumbar injury and lumbago, and also has a good preventive effect on lumbar disc herniation. Due to lumbar pain and bed rest or wearing lumbar girth treatment patients, lumbar inactivity, no force, in the long run can cause disuse atrophy and weakness of the lumbar muscle, therefore, should strengthen the exercise of the lumbar back muscle. A, “swallow fly” or “small swallow fly” 1, lying prone on the bed, go to the pillow; hands behind the back, force the chest to lift the head, so that the head and chest leave the bed; 2, while the knee joint straight, the two thighs force backward also leave the bed; 3, for 3 to 5 seconds, and then muscle relaxation rest 3 to 5 seconds for a cycle. Second, five-point support method and three-point support method (arch bridge) 1, lying on his back in bed, go to the pillow bent knees; 2, the elbows and back against the bed, the abdomen and hips up, relying on the head, elbows and feet of the five points to support the weight of the whole body; in the five-point support method based on the double upper limbs off the bed is the three-point support method. 3, for 3 to 5 seconds, then relax the lumbar muscles and put down the hips to rest for 3 to 5 seconds for a cycle. Caution 1, for the lumbar muscle strength is weak or obese people, “Xiaoyanfei” may be more laborious, you can use the “five-point support” method of exercise. Patients can choose the appropriate method for their own exercise according to their actual situation. 2, the number and intensity of lumbar back muscle exercise should be different from person to person, more than ten times a day to more than a hundred times, in 3 to 5 groups to complete. Should be gradual, and can gradually increase the amount of exercise every day. 3, exercise should not suddenly force too hard to prevent the exercise of lumbar muscles and twist the waist. 4, such as exercise the next day after the lumbar pain, discomfort, stiffness, etc., should be appropriate to reduce the intensity and frequency of exercise, or stop exercise, so as not to aggravate the symptoms;. 5, if there are already symptoms of lumbar pain, stiffness, discomfort, etc., should stop exercising or perform lumbar back exercise under the guidance of a doctor; in the case of acute attacks of lumbar pain should rest in time to stop the exercise, otherwise, it may aggravate the original symptoms.