Conquer the inner demons of derivatives gambling and use rule-based tools to cut off the vicious cycle of emotional losses! This article deeply deciphers the four major psychological misunderstandings in Contracts for Difference (CFD) trading: "waiting for a rebound" to take orders by chance, lack of review, frequent opening of positions, over-trading, and over-reliance on leading orders. Explain in detail how to use the hard stop-loss defense line, standardized transaction logs, and the independent adjustment of positions and independent risk control mechanisms in the intelligent follow-up system to transform blind following into a personal independent trading system.