PI (p?), county (xin). Interpretation: 1, [PI County] place name, in China's Sichuan Province. 2, PI from the humble from the sun, the humble low-lying places, the sun is the sun of Minshan, then PI's original meaning is the vast low-lying places south of Minshan.

Detailed explanation: 1, the Spring and Autumn Jin Yi. The former place in today's Henan Province, west of Jiyuan City. 2, county name. Ancient Pixi. Qin set county, in today's Chengdu City, Sichuan Province, west PI County. 3, the name of the river. Minjiang River tributary, branching from the irrigation county, through PI County, to the south of Chengdu City and the Jinjiang River.

PI County generally refers to PI District, PI District belongs to the city of Chengdu, Sichuan Province, is located in northwestern Chengdu, northeast and Pengzhou City, Xindu District, southeast and Jinniu District adjacent to the south and Qingyang District, connected to the south-west and Wenjiang District, north-west and Dujiangyan City border. It is the birthplace of China's Nongjia tourism, the hometown of the bean, the hometown of Shu embroidery, the hometown of the bonsai of the name; is the construction of Chengdu's GJ central city focus on building & electronic information and dual-creation industry base, internationalization of the city's new district &.