Against the background of multi-platform collaboration under high dynamic conditions, this paper analyzes the characteristics of various error terms in time synchronization algorithms based on data link RTT, proposes an algorithm for calculating motion time error, designs a compensation scheme to reduce the impact of time synchronization errors under high dynamic conditions, simulates and analyzes the relative motion of platforms under various types of high dynamic conditions, solves the error problem caused by relative motion between platforms, improves the time synchronization performance of data links under high dynamic conditions, and has guiding significance for engineering projects.