At present, only one fund related to Hang Seng Index can be traded, namely Harvest Hang Seng China Enterprise Fund and Harvest Hang Seng China Enterprise Fund, both of which are LOF funds, that is, they can be purchased and redeemed or traded directly in the secondary market.

Index fund, as its name implies, is a fund that invests in index stocks, that is, by buying some or all of the stocks contained in an index, the investment portfolio of index fund is constructed, with the purpose of making the change trend of this investment portfolio consistent with the index, so as to obtain roughly the same rate of return as the index. Index fund is a kind of fund with the principle of fitting the target index and tracking the change of the target index to realize the synchronous growth with the market. The investment of index funds adopts the investment strategy of fitting the target index return rate, and invests in the constituent stocks of the target index in a diversified way, so that the stock portfolio return rate fits the average return rate of the capital market represented by the target index.