In the world of cryptocurrency trading, to prevent potential losses, we should keep in mind some important advice: don't blindly pursue excessively high returns, stay away from emotional trading behaviors; establish clear stop-loss mechanisms, maintain investment flexibility; avoid attempting to sell all at once at market peaks, consider exiting gradually; deeply understand the psychological state of investors and maintain a calm mindset. The author advocates for keeping investment strategies simple and clear, staying away from impulsive decisions made in response to market sentiment.