To put it simply, you open a bank account in the bank, open an online banking account and a fund account at the same time, and then choose a fund, and the bank will deduct the money on your behalf on a monthly basis. Generally the lowest 100 yuan. Calculate your fund share according to the net value of the fund on that day, which is the fixed investment of the fund. The advantage of fixed investment of the fund is that no matter what the market situation is, it can be invested at a fixed time to prevent blindness and reduce investment risks.