China, Yunnan and Guizhou provinces are rich in pepper resources. 1976, Tianjin and Henan introduced three kinds of cherry pepper from Japan for the first time. Later, China introduced several capsicum varieties from Japan, South Korea and the United States. In recent 30 years, the planting area of pepper in China has gradually expanded, and it has developed into a major cash crop in some areas. At present, the pepper varieties planted on a large scale in China are mainly conventional varieties of imported three cherry peppers, and most of them are seeds reserved by growers in production. Mainly Japanese three cherry peppers (clustered peppers) and scattered "bombs" (long peppers); The local variety with large planting area is mainly Jiao Xiao, a conventional variety in Guizhou. Guizhou pepper (cone pepper) is only cultivated in Guizhou province, and the main varieties cultivated in other provinces and cities are Japanese three cherry pepper (cluster pepper), scattered "bullet" (long pepper) and other conventional varieties. In recent years, China's Yunnan, Sichuan, Chongqing and Nancai North Transportation Bases began to plant single and clustered hybrid capsicum varieties introduced by Korean companies, some of which were harvested as bright red peppers, and most of them were still dried peppers.