Banan District Jieshi Town is located in the southern part of the main city of Chongqing, the north and Nanquan Street adjacent to the east and Nanpeng Street border, the west across the Longzhouwan Street and the Yangtze River, southwest of a product street, southeast of the town of jumping stone. Boundary stone field was originally Chongqing to Qijiang and Nanchuan road division, the Qing Kangxi years, the fork in the road here there is a monument pointing to a monument, engraved with "on the Qijiang, down into the Nanchuan" eight words, next to the businessman small inn, the name of the boundary of the stone store, and then formed a market, the name of the boundary stone field.