Yi 'an County, subordinate to Qiqihar City, Heilongjiang Province, is located at the east longitude of 124°50 '~ 125°42', north latitude of 47°16 '-48°2', located at the southern foot of the Greater Khingan Mountains and the northern margin of Songnen Plain. It is a low-hump plain under the jurisdiction of Qiqihar City. Yian County has a total area of 3678 square kilometers. Yi 'an County covers an area of 3,678 square kilometers. It has jurisdiction over 6 towns, 9 townships, 149 administrative villages and 7 agricultural and forestry ranches. It has a population of 461,000 and an area of arable land of 4,422,000 mu.

Yi 'an County has been named "the township of China's white goose", "the township of China's purple flower oil bean" and "the township of China's five colors of earth (northern purple sand)". August 1, 1954, belongs to the Nenjiang region of Heilongjiang Province. May 12, 1960, the abolition of Nenjiang area, Yi 'an County Qiqihar City. In October 1961, he returned to Nenjiang Area. On January 15, 1985, the system of city leadership and county leadership was implemented, the Nenjiang area was abolished and Qiqihar City was restored.

In 2021, the GDP of Yi 'an County reached 7,6913.4 billion yuan, an increase of 7.7% over the previous year. Specifically, the added value of the primary industry reached 37,9975 billion yuan, up by 7.1%; The added value of the secondary industry reached 9,025.6 billion yuan, up by 15.3 percent; The added value of the tertiary industry reached 29,890.4 billion yuan, up by 6.2%. The ratio of three industrial structures was 49.4:11.7:38.9. The primary, secondary and tertiary industries contributed 45.9%, 23.1% and 31.0% respectively to economic growth. The three industries contributed 3.6, 2.8 and 1.4 percentage points to economic growth respectively. Per capita GDP reached 16,801 yuan, up 8.8 percent year on year.