Uncover the truth about the risks behind the high returns of copy trading! This article provides in-depth popular science on the mathematical principles of leverage and the red line for forced liquidation, and guides novices on how to put on a "bulletproof vest" for their principal by reasonably setting the follow-up ratio, stop-loss line, and dispersed follow-up. At the same time, it is revealed how the security platform builds a healthy and rational risk control long-distance ecology for investors through capital isolation, strict trader access thresholds and dynamic offline elimination mechanisms.