Nan Caicun Township, belonging to Wuqing District, Tianjin City, is located in the central part of Wuqing District, neighboring with Da Alkali Factory Township to the east, Longfeng Xinhe to the south and Dong Puwa Street, bordering with Sicundian Township to the west, and bordering with Damengzhuang Township to the north, the township's people's government is 12 km away from the urban area of Wuqing City, with a total area of 80 square kilometers, and as of the end of 2019, there was a household population of 47,000 people in Nan Caicun Township.
In 1958, Nan Cai Village Commune was established.In 2001, Bei Cai Village Township was merged into Nan Cai Village Township. As of June 2020, Nan Cai Village Township has 1 community and 31 administrative villages under its jurisdiction; the township's people's government is stationed on 103 National Highway, east of Nan Cai Village Township Road.
In 2011, Nan Cai Village Township total financial income of 95.73 million yuan, farmers per capita net income of 13,000 yuan. 2019, Nan Cai Village Township has 220 industrial enterprises, there are more than 27 large-scale enterprises, there are more than 50 square meters of business area of the general store or supermarket 24.