Based on the open source package FUNWAVE-TVD in the fully nonlinear Boussinesq equation, a numerical model of ship wave motion in restricted channels was established. The spatial and temporal distribution laws of the maximum bow solitary wave height, the maximum stern wave height and the maximum nearshore lateral velocity induced by ships in this type of channels are emphatically analyzed. The results showed that the model performed better at capturinge the propagation and evolution of ship waves in restricted channels. According to the regression analysis, the power function empirical relationship between the maximum bow solitary wave height ηmax and the ship draft p, Frounde Number Fr was obtained. The maximum stern wave height ηmax and the maximum nearshore lateral velocity uymax showed a piecewise variation rule with the ship draft p and Froude Numer Fr. The research results can provide reference for the design and navigation requirements of restricted single channels.