Objectives：In order to clarify the influence zone of seepage recharge pore water in the Yellow River and Dongping Lake, and to clarify the evolution law of surface water groundwater circulation along the Yellow River in western Shandong Province. Methods：Groundwater chemistry and isotope techniques were employed to identify the sources and controlling factors of the main hydrochemical components in groundwater and determine the recharge scope. The groundwater dynamics approach and end-element mixed model were utilized to quantitatively calculate the seepage of the Yellow River and Dongping Lake water and the transformation among different water bodies. In combination with the results of groundwater dynamics and hydrochemical isotopes, the evolution rule of surface water-groundwater circulation along the Yellow River in western Shandong Province was probed. Results：The research shows that the main hydrochemical types are HCO3-Ca ?Mg type, followed by HCO3-Ca and HCO3?SO4-Ca type, and the hydrochemical components are controlled by the weathering and dissolution of silicate rocks. Through the application of groundwater dynamic field, hydrochemistry and isotope methods, the influence zones of water seepage and recharge of the Yellow River and Dongping Lake are calculated to be 1.5~4.5 km and 0.5~1.5 km respectively. During the wet season (2023.6 ~2023.9), the water leakage of the Yellow River and Dongping Lake was 4.5763 million m3 and 2.2280 million m3 respectively. During the low water period (2023.10~2024.5), it is 2.6150 million m3 and 4.5691 million m3 respectively. Conclusions：The groundwater in the study area is mainly replenished by atmospheric precipitation, and the water level of the Yellow River is higher than the ground on both sides, with leakage replenishing the Quaternary pore water on both sides. The surrounding terrain of Dongping Lake is high in the northeast and low in the southwest, and the lake water permeates the surrounding Quaternary pore water. The pore water receives atmospheric precipitation and water from the Yellow River and Dongping Lake, and then permeates and recharges the underlying karst water. The research results of groundwater - surface water cycle evolution can provide a reference for the calculation of groundwater resources in this area.