The impact point prediction guidance is a guidance mode based on projectile impact point prediction, so precise impact point prediction is the critical factor to improve the correction efficiency and precision of terminal trajectory correction projectile. After analyzing the influence factors including trajectory highness y, velocity vector V₂ and V, the residual range model of pulsed terminal trajectory correction projectile was set up by using BP artificial neural networks as mathematics tool. The impact point prediction guidance mode was researched deeply based on the gerneral trajectory error of the distance between the target point and the prediction impact point. The numerical simulation indicate that the research on impact point prediction guidance mode of terminal trajectory correction projectile based on BP artificial neural networks is feasible.