To provide a system by which the preparing efficiency is improved of a plurality of kinds of disclosing documents related with business finance such as a line of statement of accounts, a financial report, a general shareholders' meeting call.

A preparation system using a computer system, for preparing each of disclosing financial documents such as the line of statement of accounts, the financial report, the general shareholders' meeting call is provided. This system constructs, by using a storage device 4, a database prepared by dividing especially a group of numerical data among the groups of data required for preparing each of the disclosing financial documents into common data and characteristic data for utilizing it. A CPU 1 determines an output form based on the preparing item of the finance-related documents, develops the corresponding common data and characteristic data from the group of the numerical data according to the output form and integrates them with sentence data to prepare information on the documents related with business finance.