Heihe City, Heilongjiang Province, prefecture-level city under the jurisdiction of the ancient name of Aigun, is located in the eastern end of the Daxinganling Mountains, the northern part of the Xiaoxinganling Mountains, the rolling hills in the territory of the city, is a cold-temperate continental monsoon climate, with a total area of 68,726 square kilometers. As of October 2022, the city has a total of 1 city district, 2 counties, and 3 county-level cities under its jurisdiction. As of the end of 2022, the city had a resident population of 1.251 million. Heihe City has a long history. According to archaeological evidence, as early as the Paleolithic period there were human activities in this area, forming the basis of the local ancient indigenous peoples. on February 8, 1993, Heihe was abolished as a city. With the center line of the main channel of the Heilongjiang River as the boundary, and the third largest city in the Russian Far East - Blagoveshchensk, the capital of the Amur Region, across the Heilongjiang River, is the only pair of China-Russia border line is the largest, the highest specifications, the most functional, the closest counterparts of the city, the nearest distance of only 750 meters apart. Heihe City is rich in humanistic resources, with entity types such as the ruins of the Aihui Ancient City City, the ruins of the Jin Dynasty Ancient City, the remains of the Sun-Wu War, the sites of the activities of historical figures and the customs of ethnic minorities within its borders. In 2022, Heihe City realized a gross regional product of 66.02 billion yuan, a year-on-year growth of 3.3%.