The surrounding environment of Zhongxin City Plaza in Changsha is relatively prosperous, because it is located in the downtown area, and there are many surrounding commercial areas, office buildings, restaurants and entertainment places. These commercial activities and people flow will bring some noise and noise. There are some sound insulation measures in the city square, but the surrounding environment is busy and there is a large flow of people, which will cause some noise problems. Changsha CITIC City Plaza is located in the southwest corner of the intersection of Furong South Road and Zhong Yi Road, Datuo Town, Tianxin District, Changsha City.