Pepper is one of the most famous specialties in Hainan. It is not only a good condiment, but also a precious medicinal material. Pepper can be used both as medicine and as food. Chinese medicine says that pepper has the function of warming stomach and dispelling cold. The main way to eat is to eat Chili directly. Pepper is the main spice in the world. Fruit contains volatile oil 1-2%, piperine 8-9%, crude fat, protein, starch, soluble nitrogen and other substances. The special ingredients contained in pepper make pepper have a unique aromatic taste and bitter and spicy taste, and become a spicy condiment popular among the people.