The invention discloses an intelligent electric power financial information management device, which comprises a user management module for user login to perform information management; an authority management module which belongs to the user management module and is used for carrying out configuration management on user access authority and roles; a business data management module which is used for defining the category, content and management operation mode of the business data; a subject management module which is used for classifying the accounts and constructing relationship levels amongthe accounts; a voucher management module which is used for personnel to inquire, modify, delete or export the voucher; a financial statement management module which is used for recording financial activities and summarizing, classifying, analyzing and reporting financial information; and a period account management module which is used for carrying out financial settlement and balance accountingwork during an account period or when the account period is finished. The financial management requirements are met, the project management efficiency is improved, the project cost is controlled, theperiod is shortened, and then the efficiency is maximized.