1. Transaction type: the fund subscription code is used to subscribe for established fund shares. After the fund is established, investors can purchase fund shares through the subscription code. The fund redemption code is used to sell the fund shares held. After holding the fund share, investors can sell the fund share through the redemption code.

2. Cost difference: Fund subscription requires a certain percentage of subscription fee, and subscription rates of different funds are different. When the fund is redeemed, it needs to pay a certain percentage of redemption fee, especially for investors who have held the fund for a short time, and the redemption rate is higher.