What is the effect and function of pepper?

Zanthoxylum bungeanum is a kind of food and medicine dual-purpose ingredients, it tastes spicy, warm, return to the spleen, stomach, kidney meridian, has the effect of warming pain and insecticide itching. Zanthoxylum bungeanum can not only be taken orally, but also can be used externally. Oral administration can relieve vomiting, stomach cold abdominal pain and abdominal pain caused by parasites. External use can relieve skin itching symptoms.