Problems in sea-rail combined transportationis analyzed.Taking Qingdao port for example,we summarize the general framework for sea-rail combined transportation application demonstration project,content of construction and achievements,and propose to adopt the Internet of Things and RFID technology to realize information inter-connection of railways,waterways and information sharing of goods,vehicles,ships,etc.,so as to improve the efficiency of the central railway station and ports and achieve the port &rail transport chain integration,and thus support the implementation of the Belt and Road strategy and promote the upgrading of ports.