Out of Jiangnan Exhibition School shade gate, there is a rinsing pool, devided the Examination School into two parts. Feihong Bridge made of huge stone bestrids on the pool with a lenth of 15m and a width of 6m. It is preserved well despite it exiting more than five hundreds years. Feihong Bridge has the great function in the examination of the Exibition School. In the later period of the feudal society of China, the discipline of the examination is quite strict. During the examination, nobody can pass through the Feihong Bridge,evenif only half a pace, otherwise misfortune would be got into trouble.