Fixed investment of index funds is a way to gain income from rising market. Generally speaking, market performance is consistent with economic performance. If you are optimistic about China's economy in the next 20 years, you can invest in index funds. In addition, you can also invest in some actively managed funds, but you should track them in real time. Compared with index funds, the risk of actively managed funds lies in the change of fund managers. If the fund manager changes, you must re-examine the fund. You can pay attention to China industry selection, China returns and other funds.