The invention relates to a ship-side integrated navigation system structure, comprising a data acquisition layer, an analysis processing layer, a service application layer and a human-computer interaction layer. The analysis and processing layer receives all kinds of sensing data and service information sent by the data acquisition layer, and forms unique PNT information after data fusion. The object mark information is sent to the service application layer and the man-machine interaction layer and all the data are stored. The business application layer receives the PNT information, the objectinformation and the instruction information and information sent by the man-machine interaction layer, and carries out route planning, route monitoring, alarm management, system status monitoring, ship report information management and collision avoidance auxiliary manoeuvring. The system adopts open architecture, and fuses, analyzes and processes all kinds of ship information data, so as to ensure the reliable operation of the integrated navigation system at the ship's end, meet the needs of ship operators, and realize the information transmission and interaction of ship bridge equipment.