藕池河水系三支六河，分泄长江洪水入东、南洞庭湖，水系复杂，问题众多，文章从河道演变规律入手，提出因势利导的治理措施。 Ouchihe river is three rivers and six rivers, diverting the Yangtze River flood into the east and south Dongting Lake, the water system is complex and there are many problems. The article starts with the evolution of the river course and puts forward some measures to make the best use of the situation.