The trading cycle of HSI should be determined according to the capital situation, trading habits and income cycle. As far as intraday trading is concerned, there are trading cycles of 1 minute and 5 minutes, and there are also trading cycles of 1 hour. No matter what kind of analysis cycle, we should carefully study and judge the trend direction of the market and carefully choose the entry point according to the stop loss point. After the trend is optimistic, it often determines the success or failure of the operation in and out, and also reflects the true level of a trader.