Say goodbye to emotional trading and build a steel line of defense for asset protection! This article provides an in-depth analysis of how to use the "spot + CFD short" combination strategy to put on bear market "bulletproof vests" for a large number of stocks and real assets, and easily lock in existing profits. Detailed dismantling of the fixed stop-loss and stop-profit mechanism in the intelligent order management system, and deciphering how the trailing stop function automatically adjusts according to the favorable direction of the market, giving the trend breathing space while perfectly resolving the psychological entanglement of profit-taking.