Surface Water-Ground Water (SW-GW) interactions constitute an important link in wetland hydrologic processes, and consequently are of significance for eco-environmental evolution. Thus the interaction has important implications for the effective protection and management of the high environmental values usually attached to wetland habits. This article reviews the current knowledge of the SW-GW interactions and  the mechanisms, impact factors, interfaces effects, analysis methodologies and numerical models are synthesized and exemplified. The key findings are as follow: the SW-GW interactions are controlled by both the basic geological/hydro-geological conditions and the variations of hydrological regimes. However, its responses to the changing world should be emphasized in future due to the high sensitivity. Changes in global climate are expected to have impacts on hydrological and water supply regimes, which will in turn impose additional pressures on wetland. Subsequently the interactions among multi-interfaces integrating physical, chemical and biological processes will be enhanced for better understanding under changing conditions, and it is supposed to be counteractive to the SW-GW system extensively indeed. Concerted efforts from multidisciplinary approaches must be encouraged to elucidate the different interfaces effects, which help to understand the eco-environmental response to SW-GW interactions and provide insight into the research methodologies in return, because the interfaces effects display a function of fingerprinting to the characteristics of the interactions. Finally, the SW-GW interactions models are reviewed, and it is important to note that the models of SW-GW interactions coupling the water quantity and quality should be constructed based upon the understanding of hydrologic characteristics in wetland. To identify the information on different scales, coupling  several mechanisms and verifying  the parameters in the model are the key points in future study. Overall, the SW-GW interactions strongly influence the spatial/ temporal availability of the water resources and the structure/ function of the wetland ecosystem. Therefore, further study will be necessary to help water resources managers to deal with such issues as fiood mitigation, groundwater exploitation, and biodiversity conservation in a more integrated and sustainable manner.