System for operating a investment money

The present invention relates to an investment money (IM) management system. The system of the present invention comprises a data acquisition module, a data-processing module, a supporting module, etc. The data acquisition module can communicate with a client information processor, and receive client setting information inputted/set by a client. The data-processing module can: according to received client setting information, select from among investment products managed by an IM periodic management server, an installment investment product that is intended for investment by payments in installments (installments within an IM investment period) and a matured investment product that is intended for investment upon maturity (maturity of an IM investment period); run a prior simulation of the selected installment/matured investment product according to the product characteristics of the corresponding installment/matured investment product; generate IM management simulation data reflecting a matured received projected amount required for a client, an installment investment product purchased quantity that can satisfy an installment regularly received projected amount, and a matured investment product purchased quantity that can satisfy a matured received projected amount; and inform the client information-processing side of the generated IM management simulation data. The supporting module can: transmit IM management simulation data to an IM periodic management server, according to client authorization data corresponding to IM management simulation data; provide support by enabling regular payments by installments within an IM investment period to be made to a client of an of higher than a certain level; and also provide support in order to enable funds added to the principle of an IM to be collectively paid with the matured received projected amount upon the maturation of the IM investment period.