Fund regular investment can be said to be the most suitable financial management method for ordinary people's families and individuals, because by regularly investing fixed amounts in one or several funds, it is possible to "accumulate small gains into large ones," and also take advantage of the time value of compound interest to achieve greater returns. However, due to the special investment method of fund regular investment, the investment strategy used when investors choose the type of fund for regular investment should be different from that used when choosing a general open-end fund.