Abstract:Tactical data link has become a nerve which connects command center, all levels command post, fighting troops, weapons platforms and multi data terminals in the modern digital battlefield. Just one tactical data link is unable to meet all of campaign requirements, thus the situation that multi tactical data links occur together is formed. Multi tactical data link information cooperation processing shield differences between types of data link and physical transmission medium, real-time receive the data, monitor the communication status between aerial carrier and data links. The data of aerial carrier platform is downloaded to each data links in order to achieve the information cooperation processing of multi data link.