Abstract: When surface ocean waves are intercepted by currents,the interaction between them takes place and finally a steady wave current coexisting flow is formed.Based on the principle of conservation of wave action flux,a fifth order theory to solve the problem of interaction between Stokes waves and exponential profile currents is proposed in this paper. The variation of wave parameters during the interaction process is at first studied, and the corresponding flow fields are obtained,then the results are compar...