Many traders do not lack risk awareness, but what they lack is the stability of execution: sometimes they are cautious and sometimes they are casual in the same situation. This article explains how systematization can turn key decisions into clear rules in advance, a complete risk management system including four parts of the participation condition position exit and execution process, why consistent execution is the key to the system, and a maintenance method based on prudent iterative rules based on sufficient samples to reduce the uncertainty of the process.