1. Historical performance of the fund: The historical performance of the fund refers to the performance of the fund since its establishment. The higher the historical performance, the better.

2. Maximum retracement: retracement refers to the range from the highest to the lowest net value of the fund within a period of time, and the lower the maximum retracement of the fund, the better.

3. Fund valuation: The purpose of fund valuation is to analyze whether the fund has investment value. The lower the valuation of the fund, the higher the investment value of the fund.

4. Fund Manager: Choose a fund manager with industry research experience and long working hours. Fund manager is the most important factor of fund income. The fund manager has a good investment level, and the higher the expected return, he can also directly choose a star fund manager.