Practice risk education in advance and reshape the mental firewall of trading! This article explores in depth how to break the blind worship of high leverage and understand the market law that profits and losses come from the same source. It details the practical value of fully replicated simulated accounts as a zero-risk trial and error space in verifying quantitative strategies and getting familiar with position control. It also directly addresses the psychological gap from virtual to real trading, and guides novices on how to use strict trading disciplines to fight against greed and fear, and achieve a steady and smooth transition of capital and technology.