Patting the back of a child is very dangerous because the back of the child is the spinal cord and spine, the posterior process of the spine is also called the spinous process, this position is most likely to cause fractures due to external forces, once the fracture will lead to spinal deformation and pain and other serious symptoms. In addition, patting the back of the child can lead to fractures and misalignment of the lumbar or thoracic vertebrae and compression of the nerves, once the spinal injury compression of the spinal nerves will cause dangerous consequences such as paralysis of the lower limbs. In addition, patting the child if you hit the back can also be due to excessive force, will make the child habitual head back and cause neck injuries. Once the cervical spine is injured, it can lead to paraplegia in serious cases, which can cause great difficulties for the later treatment.