The back is the longest part of the human torso, which is exactly the sum of the length of the neck and waist. Compared with the flexible rotation, flexion and extension of the cervical girdle, the back is fixed by the thorax and has a relatively small range of motion, so the chances of back injuries are slightly less than those of the cervical girdle, which is also necessary for the protection of the important organs in the thorax. However, the chances of back pain will increase significantly after the age of 40. Soft tissue injuries of the back commonly include strains of the trapezius muscle and scapularis muscle, which are characterized by neck and shoulder pain, shoulder blade pain on the inner and upper sides of the scapula, and radiating to the neck and head, or even causing headaches, and are mostly seen in ambulatory workers. Strain injury of rhomboid muscle, manifested as medial scapular pain, mostly seen in knitting, barber and other practitioners. Latissimus dorsi muscle injury, manifested as pain in the lower back and the lower part of the rib arch, mostly seen in sports injury and repairmen. Injury to the intercostal muscles, manifesting as cascading pain in the chest and ribs, or even pain with every breath in and out. Injury or subluxation of the intercostal joints, commonly known as forks. Injury to the supraspinous and interspinous ligaments, with much pain, cascading pain up and down, tear-like pain. There are also back pains that are radiating pains of visceral diseases, such as shoulder and back pains of tuberculosis, pleurisy, lung cancer, back and shoulder pains of heart disease, and middle and lower back pains of liver and gallstones. Back pain is affected by many factors (e.g., emotion, weather, age, gender, environment, working hours, physical conditions, etc.), and the individual’s living habits and working posture play a decisive role. Many people like to contain the chest, hunchback sitting work, reading, long time back muscle strain, there will be back pain. The correct way to exercise can not only prevent back pain, the whole body condition and mental state is also very beneficial. The first type of drill sky into the ground feet and shoulder width, standing in a loose and quiet, with both hands straight to lead the upper limbs upward, the whole body as far as possible to lift, collect the abdomen and raise the head, head and neck upward to look at the sky, and then both hands straight to lead the downward bending down to touch the ground to force the downward God pull. The second style, raise your hands, head and feet, sit on the bed with your legs straight, straighten your hands and head together and try to reach forward to the tips of your toes. The third style of massing the chest two feet and shoulder width, stand loosely and quietly, both palms turned outward to drive the two elbows, shoulders rotated outward, as far as possible to raise the head, chest forward. The fourth style of patting the shoulder and touching the back Hook the hand from the shoulder on the back of the shoulder of the same side, the other hand from the bottom to the back of the hand on the opposite side of the shoulder swollen bone, try to connect the two hands. Do it alternately on both sides. Fifth style: Roc Spreading Wings Hold the opposite shoulder as tightly as possible with both hands, and then spread the two upper limbs backward as much as possible like a big crow spreading its wings. It can be repeated many times.