Green pepper belongs to the plant kingdom, dicotyledonous plants, chrysanthemum subclass and solanaceae. The fruit is a berry. Many aliases, large pepper, bell pepper, persimmon pepper, is its name, because it can bear sweet berries, also known as sweet pepper, bell pepper . Annual or perennial herbaceous plants are characterized by larger fruits, less spicy taste or even not spicy at all. They are used as vegetables and not as seasonings. Because of its bright green and freshly cultivated varieties with red, yellow, purple and other colors, it can not only make itself a dish, it is also widely used as a side dish. Green peppers evolved from peppers native to tropical regions of Central and South America in North America. After long-term cultivation, domestication and artificial selection, the fruit has increased in size, thickened flesh, disappeared hotness , and increased carpel and ovary cavities. . Introduced in China more than 100 years ago, it is now widely cultivated throughout the country.