Nanjing sewage is discharged into Qinhuai River after reaching the standard. According to relevant public information, the problem of sewage backflow in the old campus of Shen Nan has been affecting the hearts of nearby residents. Previously, the reporter of Modern Express reported the problem of sewage backflow in Hanbei Street many times, and continued to pay attention to it. On June 10, the reporter of Modern Express learned from the Water Affairs Bureau of Gulou District that two small water purification stations will be built in Hanbei Street area, and the purified water will reach Class V and finally be discharged into Qinhuai River.