The common reasons why the back of the feet often feel cold are mainly kidney yang deficiency, qi and blood weakness, etc. The specific treatment needs to be judged according to the cause of the disease, otherwise it may have an impact on the above symptoms. 1. Kidney yang deficiency: yang deficiency is a weakening of the warmth function, usually causes cold limbs or cold fear of cold phenomena, and may also cause lumbar and knee pain and impotence and spermatorrhea and other discomforts, you can use gui velvet antler solid pill, ji sheng renal qi pill and other medicines under the guidance of the doctor, in order to alleviate the back of the feet to feel the onset of cold symptoms to alleviate the impact on the patient’s body. 2. Weakness of qi and blood: When qi and blood are deficient, the ability of qi to push the blood to run is weakened, and the nourishing and moisturizing effect of the blood is weakened, the symptoms of coldness of the back of the feet may occur, and at the same time there are also pale, weak and other discomforts, the use of Guiqiqi Blood Replenishing Oral Liquid can be used to alleviate the above symptoms under the guidance of a doctor. If there are signs of aggravation of the above symptoms during the use of the above medication, it is recommended to go to a regular hospital for examination.