1. According to whether the fund units can be increased or redeemed, investment funds can be divided into open-end funds and closed-end funds. Open-end fund refers to an investment fund with a fixed scale. After the fund is established, investors can purchase or redeem the fund shares at any time. Closed-end fund refers to an investment fund whose fund scale has been determined before issuance and fixed within a specified period after issuance.

2. According to different organizational forms, investment funds can be divided into corporate investment funds and contractual investment funds. Corporate investment fund is a profit-oriented joint-stock investment company composed of investors with the same investment objectives, and invests its assets in specific objects; Contractual investment funds, also known as trust investment funds, refer to investment funds formed by fund sponsors issuing fund shares according to fund contracts concluded with fund managers and fund custodians.

3. According to different investment risks and returns, investment funds can be divided into growth investment funds, income investment funds and balanced investment funds. Growth-oriented investment funds refer to investment funds whose investment purpose is to pursue long-term capital growth; Income fund refers to an investment fund whose purpose is to bring high-level current income to investors; Balanced investment fund refers to the investment fund whose purpose is to pay the current income and pursue the long-term growth of capital.

4. According to different investors, investment funds can be divided into stock funds, bond funds, money market funds, futures funds, option funds, index funds and warrant funds. Stock fund refers to an investment fund with stocks as the investment object; Bond funds refer to investment funds that invest in bonds; 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 takes stock options that can distribute dividends as the investment object; Index fund refers to an investment fund that takes the price index of a securities market as the investment object; Warrant fund refers to an investment fund with warrants as its investment object.