Rushan City, a county - level city in Shandong Province, is administered by Weihai City. It is named after the "Dalushan Mountain" within the territory. It is located in the hinterland of Qingdao, Weihai and Yantai. South of the Yellow Sea, and South Korea, Japan across the sea. Between 36°41 '-- 37°08' north latitude, 121°11 '-- 121°51' east longitude, east-west width of 60 kilometers, north-south length of 48 kilometers, a total area of 1665 square kilometers, coastline 199.27 kilometers. It has jurisdiction over 1 sub-district and 14 towns.

Rushan City, named after Dairushan Mountain, is the hometown of longevity in coastal China and was awarded the title of "Hometown of Longevity in Shandong Province". Rushan has 3 key cultural relics under provincial protection and 13 key cultural relics under city and county protection. It is the place where the story background of the famous Chinese writer Feng Deying's novels "Bitter cauliflower", "Winter Jasmine" and "Mountain Chrysanthemum" takes place. It is also the place where the heroic story of the famous national pioneer "Ten Warriors of Mashi Mountain" takes place.

By the end of 2021, the registered population of Rushan City is 531,804 million. In 2021, the regional GDP of Rushan city reached 32.879 billion yuan, in which the added value of the primary industry was 6.245 billion yuan, that of the secondary industry was 10.701 billion yuan, that of the tertiary industry was 15.933 billion yuan, and the structure of the tertiary industry was 19.0:32.5:48.5.