According to different investors, investment funds can be divided into stock funds, bond funds, mixed funds, money market funds, futures funds, option funds, warrants funds and so on. Equity funds refer to investment funds that invest in stocks (the proportion of stock investment accounts for more than 60%); Bond funds refer to investment funds that invest in bonds (bond investment accounts for more than 80%); Hybrid fund means that the investment ratio of stocks and bonds is between the above two types of funds, which can be flexibly adjusted; Money market funds refer to investment funds that invest in short-term securities in the money market, such as treasury bills, negotiable certificates of deposit of large banks, commercial bills, corporate bonds, etc. Futures funds refer to investment funds that mainly invest in various futures varieties; Option fund refers to an investment fund that invests in stock options that can distribute dividends; Warrant fund refers to an investment fund with warrants as the investment object; QDII fund is a securities investment fund established in a country and approved by the relevant departments of the country to engage in securities investment business such as stocks and bonds in overseas capital markets. QDII is the abbreviation of qualified domestic institutional investor. Fixed investment fund, also called fixed investment fund, is short for fixed investment fund. It refers to investing a fixed amount (such as 500 yuan) in a designated open-end fund at a fixed time (such as the 8th of each month), which is similar to the bank's deposit and withdrawal method. This kind of investment can average the cost and spread the risk, which is more suitable for long-term investment.