Gannan County, affiliated to Qiqihar City, Heilongjiang Province, 87 kilometers away from Qiqihar City, located in the southern foot of the Greater Khingan Mountains, the middle reaches of the Nenjiang River impact plain right bank, east longitude 122°54 '6 "? 24°28 '12 ", 47°35' 7 "8°32 '5" N. It faces Molidawa Banner of Inner Mongolia Autonomous Region, Nehe City and Fuyu County of Heilongjiang Province in the east, borders Longjiang County and Qiqihar Merisdaur Autonomous Region in the south, and borders Buha Banner and A Rong Banner of Inner Mongolia Autonomous Region in the west and north with the Jin Dynasty relic "Dongbei Road Jiehao". County jurisdiction area 4791 square kilometers. There are 5 towns and 5 townships, 2 state farms, 95 administrative villages, 611 natural areas, with 2.97 million mu of arable land. County people's government in Gannan town. According to the seventh census, the permanent population of Gannan County was 28,203 as of midnight on November 1, 2020.

It is rich in high-quality sunflower with "Gankui No. 2" as the leading variety. In 2000, it was named "Sunflower Town of China" by the Organizing Committee of the Hometown of China's Specialty. On August 17, 2018, after an evaluation and inspection, poverty was lifted. On September 25, 2018, it was awarded the honorary title of "2018 E-commerce into Rural Comprehensive Demonstration County" by the Ministry of Commerce.
In 2020, the GDP of Gannan County is expected to reach 9.11 billion yuan, an increase of 6.5%. Public budget revenue reached 500 million yuan, an increase of 19.3%. The per capita disposable income of urban and rural residents is projected to grow by 7% and 10.4%, respectively. China's investment in fixed assets is expected to reach 2.38 billion yuan, up 27 percent. The registered urban unemployment rate will remain below 3.8 percent. Gannan County is located in the center of China's seven main producing areas of genuine medicinal materials -- North medicine producing areas. Red Peony Root is the planting variety created by Gannan County. The planting area of red Peony root in the county reaches 12,429.5 mu. Gannan Red Peony Root has been approved for National Geographic Indication brand protection.