A scientific evaluation of the water recharge from river to groundwater is the base of riverside water source management.By taking the riverside groundwater water source along the Hunhe River in Shenyang City as an example and using the latest Feflow 6.1 and MIKE 11,numerical models of groundwater aquifer and the Hunhe River were built and then coupled by a plug-in called IFMMIKEII 2.0 through the interface manager(IFM) of Feflow.Water budget between groundwater and river can be more reasonably generalized in the coupled model.Through calculation,the water recharge from the Hunhe River to its riverside water source was 5.393 × 10⁵m³ per day,accounting for 46.5%of the total groundwater aquifer recharge.The coupled model achieves the quantitative calculation of the water exchange between river and groundwater and can provide a basis for rational development and planning of the study area.