Generally speaking, hanging bar cannot treat cervical spine related diseases, but it is helpful in treating lumbar spine related diseases. When hanging the bar, the general point of force is mainly in the upper limbs and lumbar spine. Through the pull of gravity, it can make the back muscle strength enhancement, and at the same time make the lumbar spine part of the intervertebral space increase, and it can play a therapeutic role in the lumbar spine related diseases to a certain extent. However, it does not increase the cervical spine space, so it has no therapeutic effect on cervical spine related diseases. If the cervical spine and lumbar spine disease, should first go to the hospital for relevant examination, so as to determine the disease site, type and severity of the disease, and then under the guidance of the doctor, choose the appropriate treatment for treatment.