No Chengyang District, which belongs to Qingdao, Shandong Province, is located in the north of Qingdao, bordering Laoshan District in the east, Licang District in the south, Jiaozhou Bay adjacent to jiaozhou city in the west and Jimo District in the north. Surrounded by mountains in the east, plains in the west and north, and sea in the southwest, the terrain is uneven. As of September 26, 2022, according to the inquiry of the Epidemic Prevention and Control Center, Chengyang District is now a low-risk area, and there is no epidemic in Chengyang seafood market. Chengyang District is located in the north temperate monsoon region, with a temperate monsoon climate, humid air, abundant rainfall, moderate temperature and distinct four seasons.