FTSE China A50 Index is a figure obtained by selecting 50 China stocks and calculating their proportions according to certain rules.
FTSE China A50 futures is a standardized tradable contract with FTSE China A50 index as the target.
Generally speaking, indexes are used to look at market trends, and futures are used for trading.
Corresponding to China, it can be analogized as: CSI 300 Index and CSI 300 Index Futures.