Hedging strategy in stock index futures market is widely used to hedge investment risks. Among them, short hedging is a common strategy. The basic principle is that when investors expect the stock price to fall, they can make short hedging in the stock index futures market and earn profits by selling contracts to offset the losses caused by the decline in the actual stock investment value.

Short hedging in stock index futures market can not only protect investors' real assets to cope with market risks, but also earn profits by short selling contracts when the market falls. However, due to the long-term upward trend of the market, short hedging may be used less than other hedging strategies. In addition, short hedging requires certain skills and experience, and improper operation may bring higher risks.

In short, the short hedging strategy in the stock index futures market can provide certain protection and opportunities in a specific market environment. However, we need to pay attention to market risk and operational risk. Investors should make judgments and decisions according to their own actual situation and market information in order to achieve steady investment and profitability in the market. At the same time, investors can also combine other hedging strategies to avoid risks and get better return on investment.