An in-depth analysis of the underlying causes of the "up and down sweeps" and price spikes in the gold market on the night of the release of the U.S. Nonfarm Payroll Report (NFP). This article starts from the perspective of group irrational psychology, liquidity vacuum and stop-loss order domino effect, reveals the microstructure of violent fluctuations on non-agricultural night, and provides practical strategies to avoid liquidity traps and rationally manage the risk of high-leverage liquidation.