1, different trading methods: index funds can be traded on third-party trading platforms, such as Alipay and Tian Tian Fund Network; ETF index funds are generally purchased on stock exchanges or stock trading software.

2. Intra-day valuation methods are different: the intra-day valuation of index funds is generally based on the fund's position ratio and the stock price fluctuation in Shanghai and Shenzhen stock markets on that day to estimate the fund's net value. The net transaction value of the fund on the trading day is the net value after night accounting by the fund company and the custodian bank; The trading price of ETF index funds is real-time trading, and the price will change every 15 seconds.