Yidu Town in Quanzhou is located in the westernmost part of Yongchun County, Quanzhou City, 96 kilometers away from Yongchun County, with east longitude of 117 48 ′ and north latitude of 25 27 ′. It is adjacent to Hengkou Township and Xiayang Town in the east, Xianghu Town in zhangping city in the west, Jiandou Town and Taozhou Township in Anxi County in the south, and Wu Shan Township and Xieyang Township in Datian County in the north. It is the junction of three cities, four counties and seven towns. With a total area of 191 square kilometers, it is the largest township in Yongchun County, located in the extension of Daiyun Mountain, with mountains and mountains. There are 45 main peaks, with Chen Douqi as the highest, with an altitude of 1344.2 meters. The land is fertile, suitable for forest production, and the vegetation coverage is good. There are many streams, and Bixi, the main stream, flows into Qingxi in Anxi from northwest to southeast, which is one of the birthplaces of Xixi in Jinjiang.