2. People with beriberi and foot odor can soak in water with pepper and ginger, which can improve the itching of feet after fungal infection caused by beriberi, or the foot odor is particularly strong. After cooked with ginger and pepper, it can kill insects and relieve itching in warm water at about 40℃. Zanthoxylum bungeanum and ginger are both drugs for warming channels and dispelling cold. Feet are at the bottom of the human body and are most vulnerable to cold. Deficiency of yang qi and obstruction of meridians will lead to cold feet or heel pain when walking, all of which are caused by deficiency of yang qi and obstruction of meridians. In this way, you can soak your feet with water made of pepper and ginger, improve the microcirculation of your feet, promote the operation of the meridians of your feet, and improve the symptoms of weak yang or impassable meridians of your feet.