Abstract: In order to evaluate whether a train can pass through a platform safely at high speed in cross wind, the air-actuated response in this case was studied with both train aerodynamics and train system dynamics considering the track irregularity and the attitude changes of trains caused by cross wind. The attitude changes were obtained from the analysis of cross wind and train fluid-solid coupling vibration. The results show that, different from that the tailing vehicle is easy to collide with the platform in a no-wind environment, the closest point to the platform appear on the front-end of the leading vehicle when the train passing through the platform at the speed of 350 km/s in 6 m/s cross wind.