The Fund is based on the CSI 500 Index and has long-term investment value. CSI 500 Index is a small and medium-sized index in the CSI scale series index, which comprehensively reflects the overall situation of small and medium-sized companies in Shanghai and Shenzhen stock markets, and forms a good complement with the Shanghai and Shenzhen 300 market index, reflecting the significant asset allocation role. From the distribution of constituent stocks, the CSI 500 index covers all industries except finance, and the industry structure is more balanced, which effectively avoids the structural deviation caused by a single industry leading the whole index, and has good market representation and investment. In addition, from the characteristics of sample stocks, CSI 500 sample stocks are composed of the most dynamic small and medium-sized enterprises, which embodies the distinctive characteristics of high growth and high risk and is suitable for risk-averse investors to hold for a long time.