In general, pepper water soaking feet for 3-5 days is appropriate. Pepper is both a condiment and a Chinese herbal medicine, which is warm and pungent in nature, can dispel wind and dispel cold, prevent aging, warm the middle and relieve pain, relieve itching of the feet due to foot odor, accelerate blood circulation in the body, enhance the body’s ability to resist cold, etc. Therefore, pepper water foot soak is suitable for people whose body itself is cold and whose spleen and stomach are deficient in cold. Soak feet with pepper water for half an hour before going to bed, can effectively improve the quality of sleep, thus improving insomnia. However, it should be noted that long-term foot soak with pepper is prone to coughing and fire symptoms, affecting health, need to pay attention to. Although pepper water foot soak has a lot of benefits, but not everyone is applicable, the elderly and infirm, children and menstruating women are not suitable for pepper water soak. In addition, the foot soak time is not too long, each time control in 15-30 minutes, the body slightly sweating can stop.