The channel of Tuanhe River to be regulated has the features of curve including"S"shape in some places,and part of concave banks are steep or bank collapsed caused by flood scour.In order to ensure the flood safety and the local social and economic development,and stabilize the social environment,according to the topography,geomorphology,hydrogeology and existing problems of the treatment section,in line with the principle of giving priority to regulation of the emergency and prominent sections,the measures such as river dredging,critical section reinforcement,and bank protection,etc.are taken to strengthen the bank slope stability of the critical section on both sides of the river and near villages,and protect the river flood safety from hidden danger.