Analyze the pricing logic and "ceiling" debate of gold and silver under the expectations of the Federal Reserve's quantitative easing (QE). This article combines the four major driving forces of real interest rates, US dollar credit and central bank gold purchases to deeply reveal the behavioral psychology of investors leading to forced liquidation losses due to "high point anchors" and "cost anchors", and provides a systematic risk control framework of multi-anchor verification, hard-core stop loss and leverage control.