1. Screening from the educational background of the fund manager: the fund manager is the decision-maker of the fund and requires high expertise. They can choose fund managers who are highly educated and graduated from prestigious schools.

2. Screening from capital withdrawal: capital withdrawal refers to the range from the highest price of the subject matter to the lowest price within a period of time. The lower the withdrawal value of funds managed by general fund managers, the better. The lower the extraction value of the fund, the smaller the risk the fund faces.

3. Screening from the working years of fund managers: The longer the working years of general fund managers, the better. It is better to have the experience of crossing bulls and bears. The longer the fund manager's working life, the more stable the fund manager and the higher the investment level.

4. Whether the fund manager obtains a star fund manager for screening: The main selection criteria for star fund managers are fund performance. The better the fund performance, the higher the management level of fund managers.

5. Screening from the performance of fund managers: Fund managers are managers of funds, and their performance can best reflect their investment level. You can look at the historical performance of the fund. The better the historical performance, the higher the investment level of fund managers.