In 2004, Huang Zhen Town was renamed Tianhua Town, and the name of the town originated from "PinCeylon and Yuji, enjoying my Tianhua exclusively"; At the end of June of the same year, Jiangyan Village was placed under Niuzhen, and Dashan Township and Duli Township (except He Ling Village) merged into Tianhua Town, with an area of 188 square kilometers, 8,426 households with 32,700 people, and governed 39 administrative villages and 357 villagers' groups. Village level adjustment in 2005: Jianshui Village (Tianhua [Chongnei, Sunwu, Zaowan, Guo Chong, Ancestral Hall], Jianshui), Tianhua Village (Tianhua [Yishan Xinfang, Pengshan Wu Shang, Dawu Formation], Bailuo), Pingling Village (Poling, Machong, Wanchang, Tianhua [Mawan Formation]). Liuhe, Qishan), Huangmiao Village (Huangmiao and Zaojiao), Xichong Village, Hezhu Village (Hezhu, Yan Shu and Bird's Nest), Mamiao Village (Yongping, Tung Chung and He Jiang), Dashan Village (Dashan, Dafan and Xiangping) and jinji village (Jinji, Maoling and Luling).
The former Dashan Township is located in the western mountainous area of Taihu County, which is 18km away from the county seat. Tai (Lake) North (Middle) Expressway passes through here. Zhujiahe flows through the countryside. At 1949, it belongs to Huang Da Township. 196 1 set up Dashan commune, 1984 changed to township. 1February, 1992, Dashan Township and Mamiao Township merged into Dashan Township, with an area of 73.6 square kilometers and a population of 10906. It governs Huangmiao, Zaojiao, Xiangping, Dashan, Dafanling, Yan Shu, Bird's Nest, Tung Chung, Xichong, He Jiang, Yongping and Hezhu *. 1997, with an area of 73.6 square kilometers and a population of 1. 1 10,000. It governs 12 administrative villages: Yan Shu, Yongping, Tung Chung, Xichong, He Jiang, Hezhu, Bird's Nest, Huangmiao, Zaojiao, Xiangping, Dashan and Zaojiao.
The original Duli Township is located in the west of Taihu County, 0.5 km away from the county seat10. Tai (Lake) North (Middle) Highway runs through the countryside. Yuejin Commune was founded in 1958, 196 1 renamed as Duli Commune, and 1984 changed its hometown. 1February 1992, with an area of 48.37 square kilometers and a population of 9086. It has jurisdiction over administrative villages and township governments in Dafan, Bachelor, Lu Heng, Shachang, Jinji, Luling, Maoling, Laoling, Zhou Chong, He Ling and Wangjiadongchong * * *1/kloc-0. 1997, with an area of 48.4 square kilometers and a population of 9,000, governs He Ling, Laoling, Zhou Chong, Shachang, Zhuanqiao, Lu Heng, Shi Xue, Dafan, Jinji, Luling and Maoling 1 1 administrative villages. In 2004, the township was merged, and Heling Village was merged into Jinxi Town, and the rest were merged into Tianhua Town.