During the layout of hydraulic structures in the port,most of the waves are generally oblique waves,and the effect of oblique waves is considered,which is more in accord with the actual.Aiming at this problem,we analyze the results of fitting the formulas of Yang Zheng-ji,Daemrich and Zou Hong-xia to our experimental results.We also analyze the influence factors’ effects on the transmission coefficient when wave is incident to the submerged breakwater,and then simulate the corresponding calculation formula.On this basis,we simulate calculation formula of oblique regular waves according to the results of the experiments about oblique waves’ acting on the submerged breakwater.The calculation formula is verified to be well applied to irregular waves,and it can provide scientific reference for submerged breakwater structure design.