Cao County, belonging to Heze City, Shandong Province, the ancient name of Caozhou, is located in southwestern Shandong Province, the junction of eight counties in Lu and Henan provinces, south of Shangqiu, Minquan County, north of Mudan District, Dingtao District, Heze City, east of Shanxian County, Chengwu County, the west border of Dongming County, Lankao County; a total area of 1,969 square kilometers, with jurisdiction over 5 street offices, 22 townships; according to the seventh census data, as of 00:00 on November 1, 2020 According to the seventh census data, as of zero hour on November 1, 2020, the resident population of Cao County is 1384282 people. Ming Hongwu four years (1371), descending Caozhou for Cao County, later reset Caozhou, Cao County, this name is used today. Cao County is known as "the hometown of opera", "the hometown of calligraphy and painting", "the hometown of martial arts", "the hometown of weightlifting". It has been honored as the hometown of willow weaving in China, the hometown of asparagus in China, the hometown of poplar processing in China, the hometown of paulownia processing in China, the top 100 counties of China's food industry, the advanced counties of China's plains greening, the one-million-quantity high-quality cotton production bases in China, the first batch of experimental bases of cloned cows in China on a large scale, the National Model Unit for Progress in National Unity, and the Advanced Collective for Comprehensive Management of National Social Security. In its history, it has produced a number of outstanding figures such as Yi Yin, the prime minister of the Shang Dynasty, Wu Qi, the militarist of the Warring States Period, and Fansheng Zhi, the agronomist of the Han Dynasty. Cao County is Shandong Province, the direct management of the county (city) financial system reform pilot, the State Council approved the opening up of the county; is the eastern enterprises to the central and western regions of the gradient transfer of the bridgehead and take over the belt, one of the eastern counties and cities in the Central Plains Economic Zone. It is the second "mega Taobao village cluster" and "China's largest performance clothing industry cluster". It has been awarded by the State Council as "Top Ten Typical Incentive Counties for E-commerce Development in China", "National E-commerce Comprehensive Demonstration County in Rural Areas" and "Top 100 Counties for Online Sales in China" by the Ministry of Commerce. Caoxian is the first county in China to be honored by the Ministry of Commerce. In 2022, Cao County will realize a GDP of 54.63 billion yuan, with a year-on-year growth of 3.0%.