The back of the cold can be seen in the external wind and cold and other evil attack, or the human body qi and blood weakness, yang deficiency and other can not nourish the warmth and so on. Chinese medicine believes that the back of the human body belongs to the Yang, for the feet of the solar bladder meridian circulation, and the sea of Yang veins of the Governor’s vein circulation, the Governor of the human body of the Yang. If the back by the wind and cold and other evil attacks, or perennial chronic disease, physical weakness so that the deficiency of blood and gas, the inability to run to nourish the back; or yang meridian damage, yang deficiency, can not be normal warming, can be seen on the back of the back of the cold and other symptoms. Cold back is mostly caused by the loss of yang qi or feeling cold, specific should also be combined with related symptoms and other identification and analysis, such as the feeling of wind-cold for the actual evidence, can be seen in the head and neck strong pain, back stiffness and other symptoms; such as yang qi deficiency is more accompanied by fear of cold limbs cold (cold, cold limbs), fatigue weakness and other weak performance. It is recommended that the patient consult a doctor in a timely manner and follow the doctor’s instructions for treatment.