To provide a numeral selective lottery-attached annuity system capable of using purchase fee as fund for annuity management in which the purchase fee for defeated lottery tickets does not become wasteful and is partly accumulated as annuity, and when a lottery ticket wins, a winner can accept a lottery money or re-purchase lottery tickets by using the lottery money.

This numeral selective lottery-attached annuity system related to this embodiment as shown in Fig. 1 comprises a host computer 10a and a personal information table 10b and a financial institute table 10c registered in a storage device installed in the host computer 10a. The host computer 10a is connected to the purchaser terminals 20 of purchasers (subscribers) and financial institute terminals (financial institutes) 30 through a network 100 such as the Internet.