Introduction to the chanting: The yin (Yíngjīng) county covers an area of ​​1781 square kilometers. The total population is 150,400 (end of 2008) and the agricultural population is 112,100. The county people's government is stationed in Yandao Town. It is called Yandao in ancient times and is located in the western edge of the Sichuan Basin and in the middle of Ya'an City. It is an important station of the ancient South Silk Road. The county seat is 175 kilometers away from Chengdu, the capital of the province. It is adjacent to Chengdu's economic radiation circle and backed by the three states of Sanzhou. It has a strong geographical advantage in the development of the western region. The location of the plaque is 29°29′-29°56′ north latitude and 102°20′-102°56 minutes east longitude. It is connected to Yucheng District of Ya'an City in the northeast, Hongya County in Meishan City in the southeast, Hanyuan County in the southwest, Luding County in the Ganzi Tibetan Autonomous Prefecture in the west, and Tianquan County in the north. It is 61 kilometers from east to west and 53 kilometers from north to south. It is the ancient southern silk. The important station of the road. Jurisdiction over 25 townships (towns). The county seat is 175 kilometers away from Chengdu, the capital of the province. It is adjacent to Chengdu's economic radiation circle and backed by the three states of Sanzhou. It has a strong geographical advantage in the development of the western region. The chanting has the reputation of “the world's pigeon flower capital”. In 2014, it was confirmed as a minority area.