Black pepper, a perennial woody vine of the Piperaceae family and the Piper genus. Black pepper is originally from India and is now cultivated in tropical regions around the world. It is distributed in Hainan, Taiwan, Guangxi, and other places in China, often growing in shaded forests. Black pepper has a significant warming and tonifying effect on the spleen, stomach, and kidneys. It has a diuretic effect and helps to reduce swelling. It is mainly used to treat diseases such as gout, scarlet fever, dysentery, and typhus. It is also effective in stopping bleeding. Applying a small amount of black pepper to the wound can kill bacteria. Black pepper is the second most widely traded spice after chili, which can be used as both a seasoning and a food ingredient. It contains abundant piperine, which is widely used in medicine, light chemical industry, and food industry, with high medicinal and economic value.