A fund account is an account opened by an individual in a securities company to buy and sell funds, while a fund account such as a bank card or Alipay is used to pay the funds needed to purchase funds. Unbound fund account means that you can't buy or sell funds, and you need to complete the associated operation first. Unbound fund account means that when purchasing funds, you will not associate your bank card, Alipay and other fund accounts with the fund account.
In order to conduct fund transactions conveniently and quickly, users are advised to bind their own fund accounts as soon as possible after opening them, so as to ensure the smooth flow of funds.