Equity funds refer to funds that mainly invest in stocks. According to the classification standard of China Securities Regulatory Commission, more than 80% of fund assets are invested in stocks. If more than 80% of fund assets are invested in other fund shares, it is a fund in the fund. Bond funds mainly invest in bonds. According to the classification standard of China Securities Regulatory Commission on fund categories, more than 80% of the fund assets of bond funds are invested in bonds. Money market funds only invest in money market instruments.