The low-threshold leverage and long-short two-way trading of Contracts for Difference (CFD) are not only a revolution in capital efficiency, but also a deep psychological game. This article deeply dissects the emotional traps that are most likely to be stepped on by novices: be wary of the illusion of psychological relaxation brought about by margin entry, analyze the internal friction of decision-making and the crisis of frequent hand changes under the free switching of long and short positions, guide investors to break the inertia of traditional unilateral thinking, reshape the rational and objective long-short game mentality, and strictly control the risk of high-leverage liquidation in flexible rules.