/kloc-Minors under 0/8 can buy funds, but only if they have a bank card. If they don't have a bank card, they can't buy it. /kloc-users over 0/6 years old/kloc-users under 0/8 years old can open a bank card with proof of work and income. If there is no proof of income, it can only be handled by a guardian with guardianship qualification.

In addition, minors generally need to be evaluated before purchasing funds. If users have a lot of money, they should also examine the source of income to prevent money laundering suspects. If it is only a small fund, you can buy some low-risk funds yourself.