The common causes of back cold are mainly the following: First, the patient’s cold shower after strenuous activities can cause cold invasion, induced cold, viral infection, manifested as cold, cold, back cold and other symptoms. It is recommended that patients take strong cold tablets and amoxicillin orally, and for patients with cough and phlegm, they can add Xuanlong Stop Cough Compound. At the same time, drink more hot water, promote the metabolism of the body cold, reduce the symptoms of cold back. Second, the elderly patients can be due to the body’s yang qi weakening, body weakness and back cold, it is recommended that the patient to strengthen the exercise, eat more beef, mutton, angelica, gelatin and other foods, blood replenishment, replenishment of qi, so as to improve the performance of the back cold. Third, if the patient’s back blood vessel occlusion, can cause local tissue ischemia, lack of oxygen, and cause back cold. Oral hemosiderin and betaprost can be used to dilate arterial blood vessels, improve blood circulation and reduce the symptoms of cold back.