Du Fu Caotang, located in the western suburbs of Chengdu, Sichuan Province, by the Huanhua River. In Tang Dynasty, Chengdu Caotang was located in the west of Wan Li Bridge and north of Baihuatan. Wan Li Bridge is an ancient South Gate Bridge. Du Fu's poem "Madman": "There is a thatched cottage in the west of Wan Li Bridge, and the flower pond is blue waves." ; The poem "Two Records of Huai Jin Water Residence" reads: "Wan Li Qiaoxi House, Baihuatan Beizhuang. The direction of the thatched cottage has been pointed out, and its location is named Huanhua Village and Huanhuali. Therefore, Chengdu Caotang is also called Huanhuacaotang, and poets sometimes call themselves Huanhualaoweng.