There is no such Chinese medicine as pepper wood, the correct Chinese medicine name should be pepper, pepper has the effect of warming the middle and dispersing cold (with medicine that warms the spleen and stomach to dispel cold), lowering the qi and eliminating phlegm, and can be used for abdominal pain and diarrhea, epilepsy and phlegm, stomach cold and vomiting and other conditions. Pepper is a Chinese medicine with the same origin as food and medicine. It can be used as a seasoning, and when used medicinally, it goes to the stomach and large intestine meridians. It is pungent and hot in nature, and has the effects of lowering qi, dispersing cold, warming the middle and eliminating phlegm, and it can be used for epileptic phlegm. It can also be used in conjunction with Wicker Balsam, etc., which is used to treat phlegm and stagnation of qi and to cloud the orifices of qi (the seven orifices of the mouth, eyes, nose, and ears). This product can also be used for loss of appetite, abdominal pain and diarrhea, cold stomach and vomiting, and can be used together with Atractylodes macrocephala and Cornus officinalis to treat diarrhea caused by deficiency of cold in the spleen and stomach (spleen and stomach are weak and cold). This product should be used with caution in cases of yin deficiency with fire or fever, contraindications and adverse reactions are not yet clear. If you feel unwell, it is recommended to go to the hospital for consultation, do not take the medicine on your own to avoid discomfort.