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 a fixed amount in one or several funds, it is possible to "accumulate small amounts into large sums" and also use the effect of time compound interest to achieve greater returns. However, due to the special investment method of fund regular investment, the investment strategy adopted when investors choose regular investment fund products should be different from that when choosing general open-end funds.