The hometown of purple potato in China is Zhaodian Township in neixiang county, Henan, Zhanjiang in Guangdong, Sishui in Shandong, Fuxin in Liaoning, Liupanshui in Guizhou, Baoding in Hebei, Xuhuai in Jiangsu and Nanchong in Sichuan. Among them, Zhaodian Township in neixiang county, Henan Province is the most famous, and it is known as the hometown of purple potato in China. . Purple potato planting in this area has a long history, and the soil and climate conditions are suitable for the growth of purple potato, which makes the purple potato in this area sweeter and more nutritious.