SYSTEM FOR OPERATING JOINT ACCOUNT

PROBLEM TO BE SOLVED: To provide a joint account operating method, capable of smoothly performing discussions and unified understanding among participants regarding the operation of a common account. SOLUTION: This common account operating method via a computer network is provided with a step for storing operation case information, related to an operating method for assets held in the common account and a decision condition for deciding the performance of the operation case in a case database 14, a step for reading the operation case information from the case database 14, outputting the operation case information to participant terminals operated by the participants in common account operation and urging voting about the pros and cons of the performance of the operation case, a step for receiving voting data about the approval/disapproval of the performance of the operation case from the participant terminals to store the voting data, and a step for deciding the acceptance/rejection of the performance of the operation case, on the basis of the voting data and the decision condition read from the case database 14. Accordingly, it is possible to smoothly perform discussion and unified understanding among the participants, and to efficiently perform the assets operation of the joint account.