Buying and selling precious metals index needs to be carried out after registering a futures company and opening a trading account. When choosing a futures company or trading platform, you need to consider related factors such as handling fees and trading restrictions. When trading, you need to know the fundamentals and market dynamics of precious metals index, as well as technical analysis and risk management. The precious metal index market is highly volatile and risky, so it is necessary to carefully consider its risk-taking ability and formulate corresponding trading strategies.