Abstract: This paper introduces the structural system design of a mobile satellite communication system vehicular station based on SUV platform．According to the characteristics of SUV platform and the using requirements of system，medium contour antenna and engine driven generator system are selected．The problem of “many facilities in small space”is well solved through classifying facilities to improve space using efficiency．From the viewpoint of ergonomics，operating comfortableness under running condition is discussed and the height limit of rack is presented．Furthermore，the anti-vibration design of facilities are described，the traveling stability and the load of vehicular station are analyzed and calculated．The design retains the superior performance of SUV while satisfying the system requirements，thus maximizing the integrity，safety，reliability，comfortableness of the vehicle，realizing a harmonious human-machine environment．