A study is made by using the data obtained from Panyu Atmospheric Composition Station, Guangzhou, including aerosol particle mass concentration (PM10, PM2.5), black carbon concentration, ozone concentration, surface meteorological data, backward trajectories, vertical velocity, potential temperature and boundary layer. In this study, the causes of a haze process caused by peripheral subsidence of tropical cyclones over the Pearl River Delta region is analyzed. The results show that the peripheral subsidence of tropical cyclones make a stable meteorological condition for this haze process, in which the aerosol particles are mainly from local sources. The PM2.5 and PM10 account for nearly 70% while black carbon and PM10 is nearly 6.0%. The visibility is low in the morning because of the lowest boundary layer and highest relative humidity during a day.