The invention relates to a navigation display control system and method based on multiple external navigation equipment. The system comprises external navigation equipment, a navigation computer and a display control terminal, wherein the external navigation equipment further comprises inertial navigation equipment, satellite navigation equipment, an elevation meter, a milemeter, a north seeker and a video collector, wherein the external navigation equipment respectively transfers navigation information to the navigation computer; the navigation computer is used for acquiring data of the external navigation equipment and carrying out integrated navigation calculation and information processing by adopting an integrated navigation algorithm; and the display terminal is used for inputting and outputting. According to the system and method which are provided by the invention, multiple data sources are adopted, the navigation accuracy is improved, the advantages of multiple navigation data sources can be played, and a human-machine operation interface is friendly.