Jinjiang City (formerly Jinjiang County, Quanzhou Prefecture) is known as Erythrina, Ruitong and Quan'an. It is a county-level city under the jurisdiction of Fujian Province and managed by Quanzhou City. It is the core of the Golden Triangle in southern Fujian, separated by a river from Taiwan, known as the "Quannan Buddhist Kingdom" "Zou Lu on the seashore Jinjiang is located in the southeast coast of Fujian Province, the southeast of Quanzhou City, and the south bank of the lower reaches of Jinjiang River. It faces the sea on the three sides. It borders Quanzhou Bay in the northeast, Shishi City in Quanzhou in the east, Taiwan Strait in the southeast, Jinmen Island across the sea in the south, Nan'an City in the west, and Licheng District in the north. The city has jurisdiction over 6 streets and 13 towns, and the municipal government is located in Century Avenue, Luoshan Street. The land area is 649 square kilometers. According to the data of the seventh census As of 0:00 on November 1, 2020, Jinjiang has a permanent resident population of 2061551, which is a type II metropolis.

Jinjiang Central Plains culture, marine culture, southern Fujian culture, overseas Chinese culture, religious culture and other multi-cultures blend and reflect each other; The comprehensive strength of science and technology has entered the ranks of the top 100 in the country and has been designated as one of the four demonstration areas for scientific and technological progress in the country. Jinjiang was listed as the first batch of national comprehensive pilot areas for new urbanization. In 2017, Jinjiang was selected as the fifth national civilized city. In December 2017, it was elected as one of China's top 100 industrial counties.

Since 2019, Jinjiang has been selected as one of the top 100 counties and cities with investment potential in 2019, the top 100 counties and cities with scientific and technological innovation in 2019, the top 100 counties and cities with new urbanization quality in 2019, and the top 100 counties with business environment in 2019. In 2019, Fujian Province's "top ten" counties (cities) in county economy and the pilot unit for the construction of the national rural governance system were among the top ten counties and cities in the national comprehensive strength for 18 consecutive years. In October 2021, it was selected into the list of "Top 100 Smart Cities in China in 2021". In 2020, Jinjiang's GDP reached 261.611 billion yuan.