The invention discloses a fund portfolio investment management system, which comprises an application acceptance subsystem, a data management subsystem and a fund transaction subsystem, and further comprises a portfolio management subsystem, wherein the application acceptance subsystem is used for receiving an application for fund portfolio investment for a client; the data management subsystem is used for storing and managing fund product data and client application data; the portfolio management subsystem comprises a data acquisition unit, a data processing unit, a fund portfolio result storage unit and a result output unit and is used for carrying out analysis processing to obtain a fund portfolio result according to the fund product data and the client application data; and the fund transaction subsystem is used for carrying out transaction according to the fund portfolio result output by the portfolio management system, feeding transaction information back to the portfolio management subsystem and transmitting the transaction information to the data management subsystem to store. According to the system, the client application data and the fund product data are fused into the system, so that the system is more targeted and accurate, and the transaction cost can be saved.