2. The fixed investment of the fund is similar to long-term savings, which can make many a mickle, spread the investment cost equally and reduce the overall risk. It has the function of automatically increasing the price and reducing the price on dips. No matter how the market price changes, it can always get a relatively low average cost. Therefore, regular fixed investment can smooth the peaks and valleys of the fund's net value and eliminate market fluctuations. As long as the selected funds grow as a whole, investors will get relatively average returns without worrying about the timing of entering the market.