Introduction: Renqiu City is located in the central part of Hebei Province, in the Beijing-Tianjin-Hebei economic circle, and belongs to the economic open zone around Beijing, Tianjin and Bohai Sea. It is an open city determined by the State Council. Beijing 15 1 km to the north and Tianjin 135 km to the northeast. The city borders Wen 'an County and Dacheng County in Langfang City in the east, hejian city in the south, Gaoyang County in Baoding City in the west, Anxin County across Baiyangdian Lake in the northwest and Xiongxian County in the north. The total area of the city is 10 12 square kilometers, with a lateral distance of 42.5 kilometers from east to west and a longitudinal distance of 4 1 km from north to south. The total population is 8 10000, including 674000 in Renqiu and 654380+036000 in Huabei Oilfield. It has jurisdiction over 3 sub-district offices, 9 towns, 6 townships, 1 provincial economic development zone and 4 13 administrative villages. Renqiu has a long history. According to historical records, in the second year of the Western Han Dynasty (AD 2), Ren Qiu, the commander of the sea patrol, built a city here to prevent Haikou, hence the name Ren Qiu. During the Tianbao period of the Northern Qi Dynasty (550-559 AD), the county was established, and it was abandoned twice from Sui Dynasty to the early Tang Dynasty. In the fifth year of Tang Wude (AD 622), Renqiu County was established for later generations. 1April 30, 945 Renqiu was liberated, 1958 Renqiu, Wen 'an and Dacheng merged, 196 1 year restored the original county system. 1on March 5, 986, the State Council approved the withdrawal of counties and the establishment of cities. At present, the built-up area is 4 1 km2, the urban population is 344,000, and the urbanization rate reaches 53%, ranking first among all counties and cities in the province.