1, Zanthoxylum bungeanum is pungent and warm, enters the spleen, stomach and kidney meridians, and has the functions of warming the middle warmer to relieve pain, eliminating dampness and dispelling cold, and also has the functions of killing insects and relieving itching. Soaking feet with Chili water can dispel cold feet and prevent joint pain.

2, standing for a long time or working in a humid environment is easy to feel the invasion of cold and dampness, which will lead to meridian obstruction and pain. Soaking feet with pepper water can dispel cold and dampness, dredge meridians and relieve pain, because pepper also has the function of killing insects and relieving itching, and soaking feet with pepper water can also prevent beriberi.