In order to cultivate postgraduates' family and country feelings together with improving their knowledge and ability, the postgraduate training mode of cultural coupling is proposed under the background of emerging engineering education. Through the exploration of cultural coupling postgraduate training mode in the discipline of transportation engineering at Southeast University, three platforms including characteristic course platform, multi-mode research practice platform and high-level resource platform and the discipline culture construction are expounded. Then the practical effects of the cultural coupling mechanism and the cultivation of family and country feelings are analyzed by the three coupling points of teaching activities, academic activities and academic idol. It can provide reference for implementing of fostering virtue through education and improving the quality of postgraduate training.