Hitting the back can cause back muscle damage, rib fractures, spinal disc tissue damage, etc., as follows: First, back muscle damage: hitting the back can cause back muscle damage, there will be significant edema in the muscles, which will affect the patient’s bending activities, and even unable to participate in sports. Second, rib fractures: hitting the back can also cause rib fractures, especially in elderly patients with severe osteoporosis, when subjected to external forces will occur pathological fractures, the patient will have severe back pain, such as rib fracture fracture end pierced pleura and lung tissue, will also cause severe respiratory distress, and even the occurrence of hemopneumothorax, posing a threat to the patient’s life. Third, the spinal disc tissue damage: hitting the back can also damage the spinal disc tissue, so that the disc degeneration, prone to disc herniation, resulting in nerve compression, and even radiological pain in the lower limbs, as well as limb claudication and other serious consequences. If the violence is severe, it may directly cause central nerve damage or rupture, leading to paraplegia. Fourth, visceral injury or rupture: for example, the kidneys, spleen and liver are prone to rupture and hemorrhage under violent trauma, leading to shock or death. Therefore, usually try not to hit the back, through massage, can relieve muscle strain on the back.