On the basis of genetic analysis and flood time,the flood in Heilongjiang was divided into three types,that is ,storm(rain) flood,snowmelt and rain flood and ice flood in this paper.

• 按成因和发生时间，将黑龙江省的洪水划分为三种类型：暴雨（降雨）洪水、融雪和雨雪融合洪水、冰凌洪水；着重论述了暴雨、洪水的时空分布特征以及暴雨洪水的稀遇程度等。