The benefits of unblocking the meridians in the back are mainly twofold. 1, the back has the Governor’s meridian as well as the foot solar bladder meridian, after unblocking these two meridians, it can play the role of warming the meridians and dispersing cold, because the Governor’s meridian is the sea of Yang veins in the human body, which can increase the body’s Yang energy, so as to effectively prevent upper respiratory tract infections, cold and other related back cold related situations. 2, unblocking the meridians in the back can help increase the back’s The blood circulation, because the back is prone to strain, such as in the low head voluntarily for a long time or pillow too high, will cause the back muscles, tendons, ligaments and other soft tissues of excessive fatigue, the formation of strain injury. By unblocking the meridians, the blood circulation in the back can be increased, which can promote the arterial blood supply, promote the recovery of the lesions of the strain, and increase the venous return, promote the inflammation formed by the strain and the metabolism of metabolites such as lactic acid, so that the symptoms of back pain and unfavorable activities can be effectively relieved.