Peppercorns have the efficacy and effect of warming the middle and relieving pain (relieving pain by warming the spleen and stomach), killing insects and relieving itching. Pepper is the dried mature pericarp of green pepper or peppercorn of Rutaceae plant, with pungent flavor, warm nature, and belongs to spleen, stomach and kidney meridians. The effect is to warm the middle and relieve pain, kill insects and relieve itching. Peppercorns can be used for cold pain in the epigastric region (stomach and abdomen feel cold pain), vomiting and diarrhea, worms and abdominal pain; external treatment of eczema, itchy pubic. Appropriate amount for external use, decoction and fumigation. This product is pungent and hot, easy to hurt the yin to move the fire, yin deficiency and internal heat should be used with caution. It should be noted that if the body is not feeling well, the use of drugs should be guided by the doctor’s diagnosis. Do not blindly use Chinese herbs on your own to prevent aggravation of the condition.