dingjia street. According to the Baidu map, Shuang Fu Alley is Dingjia Street, jiangjin district, Chongqing, and it is the place with the richest nightlife in Chongqing. Shuang Fu in Jiangjin is a traditional food with tofu skin as the main ingredient, which originated from jiangjin district, Chongqing, and is one of the representatives of Jiangjin catering culture.