According to the Interim Provisions on the Management of Money Market Funds, the investment directions of China's money funds include: "cash, bank time deposits within one year (including one year) and large deposit certificates; Bonds with a remaining maturity of 397 days (including 367 days); Bond repurchase with a term of one year or less; Central bank bills with maturity of one year or less; Money market instruments with good liquidity recognized by China Securities Regulatory Commission and China People's Bank. Money fund is also an open-end fund product. As for the investment direction of the money fund, it can only be invested in accordance with the above provisions. It is only because of its liquidity that it is called the house opening fund. Of course, compared with the bank's fixed term, its interest rate is significantly higher. Compared with other funds, its investment feature is that for small investors, there are not many idle funds available for investment. At this time, if they put these funds into other big funds, the result may be obvious. The investment scope of money market funds includes cash, short-term financing bonds and call deposits. Bond repurchase, central bank bills, interbank deposit certificates, etc. Maturity time is less than one year. Bank time deposits, bank agreement deposits and certificates of deposit within one year. Bonds, medium-term notes, asset-backed securities and non-financial corporate debt financing instruments with a remaining maturity of less than 397 days. Money market funds do not include the stock market. Bonds with poor security and liquidity. Exchangeable and convertible bonds. Low credit rating, such as corporate bonds below double A level.