[Objective] The paper aims to discuss the influence of canopy rainfall penetration, canopy interception and trunk runoff on rainfall redistribution in the mountainous hilly forest of Northern Hebei Province, and provide a basis for forest construction and forest structure adjustment in this area.[Methods] The correlation analysis and regression analysis of forest rainfall data were conducted on SPSS.[Results] The penetrating rain accounted for the largest proportion, accounting for 70.22% of the total. The canopy interception accounted for 28.20% while the trunk runoff accounted for 1.58% (R²=0.997 9), there was no rain through the forest when the rainfall was relatively small. And when the rainfall outside the forest reached 0.78 mm, penetration occurs. Canopy interception played a very important role in the redistribution of rainfall. There was a significant power function relationship between canopy interception and rainfall outside the forest (p<0.01). There was a positive correlation between trunk runoff and rainfall outside the forest (R²=0.9703). When the rainfall reached 4.88 mm, the trunk runoff occurred in the broad-leaved forest, but the trunk runoff had a time lag, which was closely related to the forest itself and the intensity of rainfall. When the leaf area index is small, and the angle between branches is about 45%, the bark surface was smooth, trunk runoff was relatively easy to occur.[Conclusion] The forest canopy had an important influence on the redistribution of rainfall. The hydrological effects of the canopy of broad-leaved forest in northern Hebei Province were related to the forest health development.