high-end grade. High-grade refers to a community with good environment and high housing prices. Shanghe City in Suzhou is located in the north of Yinhe Third Road, east of Qingyun Road and west of Huadian Community. The greening rate is as high as 5%, and the environment is good by adopting modern architectural concepts. According to the query of Fangtianxia, the average house price in Suzhou in 223 was 6439.1 yuan /m2, and the average house price in Shanghecheng, Suzhou was 9518 yuan /m2, which was higher than the average house price in Suzhou. Therefore, the house in Shanghecheng, Suzhou was a high-end grade.