Fund fixed investment is a regular fixed investment fund and a method of investment fund. By signing contracts with banks and fund companies, banks can automatically deduct money from your account every month to realize automatic investment. All banks can handle it. This kind of investment is suitable for wage earners, and there is not much money in the account every month. Moreover, this kind of investment can average the risk, and no matter whether the market goes up or down, it will always get an average return. Paper gold is a kind of gold investment, that is, accounting gold investment, giving you money when transferring money, deducting your money when losing it, and there is no physical transfer of gold.