It is best to buy money funds for short-term money, because the income of money funds is relatively stable and the liquidity is better. For long-term money, it is best to buy funds with large fluctuations, such as hybrid funds, stock funds and index funds.

Money funds invest in money market instruments, such as deposits, certificates of deposit, short-term bonds and central bank bills. Monetary fund has the characteristics of high liquidity, low risk and stable income, which is suitable for investors with low risk tolerance or high liquidity requirements.