The Shanghai and Shenzhen 300 Index can be used as an evaluation standard of investment performance, providing basic conditions for indexed investment and innovation of index derivatives.

Meaning:

1. can cheer up the long-term weak market.

2. Unqualified stocks will be eliminated continuously, and qualified sample stocks will be introduced. The domestic market will gradually cultivate a number of sample constituent stocks with blue-chip characteristics.

3. It laid a foundation for building an independent index system of main board and growth enterprise market in the future.

4. It is expected to promote the merger of Shanghai and Shenzhen A-share markets and the birth of national main board market and growth enterprise market.

4. It sounded the clarion call to solve the institutional problems in the securities market through financial innovation.

5. Provide the target for stock index futures.