When the overall performance trend of the fund far exceeds the Shanghai and Shenzhen 300, it shows that it outperforms the broader market and the fund's current income is good and gradually increasing. On the contrary, it means underperforming the broader market, and such funds may not have obvious advantages in income; When the performance trend of a fund is lower than the average performance trend of similar funds, it shows that it is weak among similar funds, and investors can choose to change to a stronger similar fund. On the contrary, it means that it is stronger and can continue to be held.