Formerly known, it was named after six mountains, including Ao, Flower Market, Qiandun and Mentou. Later, for the convenience of writing, it evolved into Liu Ao. According to legend, in ancient times, six natural villages, Gu Yan, Huashi, Jiankengtang, Mazhuang, Yanzao and Shang 'ao, were all engaged in salt making, hence the name of Liu Ao, which later evolved into Liu Ao. In the Qing Dynasty, it belonged to Dong Xi and Touao, the southern township of Ninghai. In the 29th year of the Republic of China (1940), Sanmen was divided into two townships, Liu 'ao and Yongfeng. 1949 the old system was adopted at the beginning of liberation. 1In August, 950, Yongfeng Township was divided into Touao, Yuanli and Xi Du townships, and Liu Ao Township was divided into Liu Ao and Gao Shan townships, belonging to Xi Du, Liu Ao and Gao Shan. February 1956, Shang' ao Township merged, and Qiantan Township was partially included, still called Liu' ao Township; Xi Du established two townships, Taotou and Shepan, which were transferred to Xi Du Township and renamed Puxi Town. 1958165438+10 month, belonging to Liu 'ao, Health and Puxi Administrative Regions. Qiantan management area was rebuilt in September, 1959, and the original part was redrawn. 196 1, 10 years, two people's communes, Liu 'ao and Puxi, were established, and the health management area and Qiantan management area were abolished, and part of them were merged into Liu 'ao people's commune. 1983 10, the political society was divided into two townships: Liu 'ao and Puxi. 1987 10, Liu Ao Township was reorganized into Liu Ao Town. 1May, 992, when the town was expanded and merged, Puxi Town was merged, except for the three villages of Shepan Island, the rest were merged into Liu 'ao Town. The town government is stationed in Xiajie village.

201165438 On June 5, 2003, the People's Government of Zhejiang Province officially approved Taizhou's "Request for Instructions on Adjusting the Administrative Divisions of Some Villages and Towns in Sanmen County". 165438+ 10/8, Taizhou Municipal People's Government officially approved Sanmen County's "Request for Instructions on Adjusting Township Administrative Divisions in Sanmen County". According to the instructions, Liu 'ao Town was revoked, merged into Jiantiao Town, and a new Jiantiao Town was established.