1, which have different requirements for the source of investment funds. The investment amount of fixed investment is small and regular, which is suitable for most wage earners. One-time investment needs a lot of money.

2. They have different requirements for investment timing. One-time investment needs to accurately grasp market fluctuations and choose the right time to invest low and invest high; The fixed investment of the fund does not require high timing.

3. The investment purpose is different. Fixed investment is a long-term fixed investment, which can effectively reduce costs and risks; And one-off is to obtain high profits in a short period of time, which is risky.