Shimian Town, Longchang City, Sichuan Province, under the jurisdiction of the town, in the northeastern part of Longchang City, due to the Shimian Mountain in this name. 7 kilometers from the city, covers an area of 41.5 square kilometers, altitude: 386 meters. Shimian Town is neighboring with Fishing Arrow Town in the east, taking the border with Shiyan Town in the south, resisting Longji Town and Ronglong Town in Rongchang District of Chongqing Municipality in the northeast corner, connecting with Purun Town in the west, connecting with Golden Goose Street in the southwest corner, and bordering with Zhouxing Town in the north.
On December 4, 2019, the People's Government of Sichuan Province on the consent of Neijiang City to adjust the administrative division of some townships approved reply (Chuanfu Civil Affairs No. 11): the abolition of the fishing arrow township, the administrative area belonging to it will be assigned to the jurisdiction of the town of Shiyan, the people's government of the town of Shiyan is stationed at No. 24, Xiabu Street.