According to standard Guideine of videofluoroscopic swallow study(VFSS), Patients referred to dysphagia(swallowing dysfunction)who were required to tube feeding and medically stable of vital sign, and agreed to participate. Participants with swallowing dysfunction who were classified into three groups (nasogastric tube, traditional intermittent (IOE) tube, individual 3D printed guiding tube) according to VFSS.