Abstract:There are many stone bridges in southern Anhui, and there are many kinds of stone arch bridges. The shape of stone arch bridges in southern Anhui is similar to that in the north of china. The number of stone arch bridge holes is mainly singular, there are also double hole stone arch. The longitudinal layout of the stone arch bridge with single hole is similar to that of the Qing official style stone bridge, which is completely in line with the actual needs of mountain flood discharge in the southern Anhui mountains.