Pepper is a tropical plant pepper tree fruit, mainly produced in India, Vietnam, Indonesia, Thailand, Singapore and other countries, China's Guangdong Province, Hainan Island also has production. Pepper flavor spicy aroma, hot, in addition to fishy fragrance, in addition to cold, eliminate the effect of food, but more food is to stimulate the gastric mucosa and cause congestion.

Pepper is crushed with dried pepper, white pepper and black pepper. Black pepper is processed from the immature fruit, and white pepper is picked and processed after the fruit is fully ripe.