1. Break through the support level or resistance level and stop loss: in the spot market or futures market and other investment markets, stop loss and take profit at the support level or pressure level, that is, buy and open positions at the support level, sell and transfer at the pressure level, stop loss below the support level after buying, and vice versa. This is a common stop-loss and profit-taking method in commodity trading, which is suitable for all trading strategies such as intraday, short-term, band and medium-long term.

2. Stop loss by the amount of funds: that is, before each entry transaction, clearly plan how many points to lose as a stop loss.

3. Stop loss with time: This method is mainly used for intra-day ultra-short trading mode.