Panshan County is subordinate to Panjin City, Liaoning Province. It is located in the southwest of Liaoning Province, the north of Panjin City, and the lower reaches of Liaohe River, with a total area of 2036 square kilometers. In 2021, the total registered residence population of Panshan County will be 272300. There are 13 ethnic groups including Han, Manchu, Mongolian, Hui, Miao, Yi, Korean, Tujia, Xibo, Daur, Gaoshan, Oroqen and Ewenki, with 73809 households. By 2021, Panshan County has 4 streets and 9 towns under its jurisdiction.

In Qing Dynasty, the mountain hall was built. In 1984, Panshan County was abolished, and the original village of Panshan County was transferred to the suburbs. In 1986, the suburb was abolished and Panshan County was restored. Panshan County is a national health county, a nominated city for a national civilized city, a national demonstration county for "Four Good Rural Roads", a national demonstration county for ecological civilization construction, and a national demonstration county for healthy fishery breeding.

In 2021, the GDP of Panshan County will be 18.376 billion yuan, a decrease of 14.9% over the previous year at comparable prices. Of which, the added value of the primary industry is 4.999 billion yuan, and the added value of the secondary industry is 8.187 billion yuan; The added value of the tertiary industry was 5.189 billion yuan, and the proportion of the tertiary industry was 27.2:44.6:28.2; The per capita GDP is 82592 yuan.