Abstract: Based on the experiment and numerical model,the transfer process of suspended solids(SS) in the interaction of wave and current is studied.The results are as follows:Firstly,when the mean wind speed ranges 2 to 8 meter per second,the relationship between resuspend flux and wind speed shows the positive correlation relation.The formula method of Gansith is suitable for computing the resuspend flux of Taihu Lake.Secondly,when the suspended solids concentration(SSC) is low,no clear relationship is found between the settling velocity and SSC.But settling velocity obviously rises with the increase of SSC while the latter is high.Based on the data from the four hydrostatic experiments,it is found that the settling velocity of suspended matter and the suspended matter concentration fitted in logistic curve.Thirdly,the hydrodynamic process of Taihu Lake is described properly based on coupling the wave and current.Finally,the combined effects of the wave and current are included in the SS model.The amounts of suspended and precipitated sediments near lake bed surface layer are treated separately,the stochastic characteristics of turbulent flow pulsation near lake bed are also considered,and the startup conditions of sediment suspension are introduced to the model.The model elucidates the mutual exchange processes between sediment particles in SS and the active sediments within and on bed surface layer.The simulated results show that the lake current has relatively significant effects on the SSC at littoral areas of Taihu Lake,while SSC at the central area of the lake is mainly influenced by waves.