Soaking feet in pepper water can treat foot odor, improve foot odor and kill fungus in toes. Pepper has the effect of dispersing cold and relieving pain, killing insects and relieving itching. In addition to improving foot odor, it can also warm the meridians, disperse cold and open the ligaments. The feet are the weakest part of the body’s yang energy and are most susceptible to cold, wind, cold, damp and other evil spirits. Therefore, middle-aged and elderly people will have knee pain, or pain in the ankle joint, swelling of the lower limbs. The meridians on the feet, will bring together many important points, once these points are cold, it will lead to meridian blockage, there will be a numbness and cold feeling in both feet. You can use pepper in water to warm the meridians and activate these points and meridians to restore the passage of yang energy in the body, especially to improve the performance of the lower jiao yang energy weakness. In addition to peppercorns, herbs that invigorate blood circulation and resolve blood stasis such as dried ginger, mugwort and safflower can be added to strengthen the effect of warming the meridians and dispersing cold.