Abstract:In view of the severe situation of frequent maritime traffic accidents, sensor based electronic chart system plays an increasingly important role in the fields of route planning, safety monitoring and collision avoidance. The deep integration of AIS navigation technology and electronic chart is the key path to improve the application efficiency of electronic chart and ensure the safety of ship navigation. On the basis of expounding the working principle of electronic chart and AIS navigation, this paper emphatically analyzes the key technologies of their integration, and puts forward specific integration strategies from three dimensions of system architecture design, core function development and performance test verification. The research results can provide theoretical reference and practical guidance for improving China's maritime safety assurance level.