2.LOF is an English abbreviation, with definitions such as frame loss, listed open-end fund and LOF function. The full name of LOF fund is "listed open-end fund" in English and "listed open-end fund" in Chinese. In other words, after the issuance of listed open-end funds, investors can purchase and redeem fund shares at designated outlets, or buy and sell funds on exchanges. However, if investors want to sell the fund shares purchased at designated outlets, they must go through certain transfer custody procedures; Similarly, if you want to redeem the fund shares you bought online on the exchange and redeem them at designated outlets, you must also go through certain transfer custody procedures.