The first type: you can buy it with a "basket of stocks" (according to the stocks in the redemption list and a small amount of cash). The account must have enough stocks and cash to replace it, or it can be purchased in cash. The subscription amount of etf is large, which generally needs more than 500 thousand;

The second type: it can be purchased at the market price in the secondary market, and the purchase price is determined by the buyer and the seller through consultation, which may have a certain gap with the net value of the fund at that time.