E-Fund Zengjinbao Money A (full name E-Fund Zengjinbao Money Market Fund A) is a kind of money market fund, which mainly invests in short-term money market instruments, such as treasury bonds, central bank bills, commercial bills, bank time deposit certificates and other low-risk and high-liquidity assets.

Money market funds are generally regarded as low-risk investment varieties, and the risk level is relatively low. However, this does not mean that money market funds are absolutely guaranteed. Although money market funds rarely lose money in history, they may still face the risk of losing money under some extreme market conditions, such as sharp fluctuations in interest rates and financial market crises.

Therefore, although E Fund can't guarantee the principal security, its risk is lower than other high-risk investment products. Before investing, please be sure to understand the relevant risks and invest within your own risk tolerance. If necessary, you can consult a professional financial adviser to get more investment advice.