Longquan City, a county-level city entrusted by Lishui City, Zhejiang Province, is located at the border between Zhejiang, Fujian and Jiangxi in the southwest of Zhejiang Province. Its geographical coordinates are 27 ° 42 '- 28 ° 20' north latitude and 118 ° 42 '- 119 ° 25' east longitude. It covers an area of 3059 square kilometers, and governs 4 streets, 8 towns and 7 townships; Adjacent to Wenzhou Economic and Technological Development Zone in the east and Wuyi Mountain National Scenic Area in the west, it is the main channel for Zhejiang Province to enter Jiangxi and Fujian. It is known as the "thoroughfare between Ou and Wu and between Fujian and Fujian", "post road, the throat of business travel", and has always been an important trade town in the neighboring areas of Zhejiang, Fujian and Jiangxi. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Longquan is 248866.

Longquan City is a national historical and cultural city. Since ancient times, Longquan has enjoyed a prosperous culture. It is not only the famous capital of celadon and the state of sword, but also the birthplace of mushroom cultivation in the world and the first township of Ganoderma lucidum in China; The city's forest coverage rate is 84.2%. It is a national ecological demonstration zone, a national forest city, an ecological city in Zhejiang Province, and a garden city in Zhejiang Province. It is known as the "Ten Good Longquan Counties in Chuzhou".

In June 2017, Longquan City was named the National Health City. In July 2017, Longquan was listed as a national historical and cultural city. In November 2018, it was selected into the top 100 of the overall well-off index of county-level cities in China. In 2020, the GDP of Longquan District will reach 14.72 billion yuan.