7- 10 CDB bond index is good. The CDB bond index with a maturity of 7- 10 years has relatively low risk and stable return, which is suitable for cautious investors. However, for the performance of CDB bond index in the next 7- 10 years, we need to consider the influence of macroeconomic situation, monetary policy, interest rate level and other factors. Generally speaking, the 7- 10 CDB bond index can be used as a relatively stable investment choice, but investors should fully understand the market situation and their risk tolerance before investing in order to make more reasonable investment decisions.