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 can effectively prevent acute and chronic lumbar injuries and lumbago. 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; 2, hands behind the back, lift the chest with force, so that the head and chest leave the bed; 3, while the knee joint straight, the two thighs force backward also leave the bed; last 3 to 5 seconds, then muscle relaxation rest 3 to 5 seconds for a cycle. Second, five-point support method and three-point support method 1, five-point support method: ① supine on the bed, go to the pillow bending knees. ② double 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 entire body. 2.Three points support method. On the basis of the five-point support method, lift both upper limbs off the bed. Last 3 to 5 seconds, then relax the lumbar muscles and put down the hips to rest for 3 to 5 seconds for a cycle. Note 1: For people with weak lumbar muscle strength or obesity, “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 vary 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 the next day after the exercise felt 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 is already lumbar pain, stiffness, discomfort and other symptoms, should stop exercise or under the guidance of a doctor to perform lumbar back muscle exercise; in the acute attack of lumbar pain should be timely rest, stop practice, otherwise, may make the original symptoms aggravated.