2, pepper (hújiāofěn), also known as the ancient moon powder, crushed by the fruit of the tropical plant pepper tree, mainly produced in India, Vietnam, Indonesia, Thailand, Singapore and other countries, China's Guangdong Province, Hainan Island also has production.

3, pepper is one of Hainan's most famous specialty, it is both a good seasoning, but also a valuable medicinal herbs. Pepper can be medicine, food and dual-use, Chinese medicine says pepper has a warm stomach and cold function. The main food method is to eat pepper directly. Pepper and the world's major flavoring spices, fruit contains volatile oil 1-2%, piperine 8-9%, also contains crude fat, protein, starch, soluble nitrogen and other substances. Pepper contains special ingredients that make pepper has a unique aromatic flavor, and bitter and spicy flavor, become popular with the people with spicy condiments. Although pepper is mainly used as a condiment, but in fact there are many other uses. Such as: folk with pepper stewed pork belly treatment of chronic gastrointestinal diseases.