The effects of non-resonant flow case, including supercritical case and subcritical case, on the nonlinear surface waves of
film with uneven bottom were analyzed. Derived from the potential flow theory, the fKdV equation on the nonlinear
surface wave was obtained by the little parameter perturbation technique. The simulation was made by pseudo-spectral
method, and the waterfall plot of the surface wave was illustrated with Matlab program. The flow, incompressible and
inviscid, of which the surface tension and uneven boundary is considered. The results comprehensive surface waves
located on the film when the flow case is non-resonant one is different from the resonant case.