The present invention relates to a method for inputting household accounting data for double-entry bookkeeping and, more particularly, to the method comprising the steps of: a user device which has a household accounting program for double-entry bookkeeping installed therein and runs the household accounting program, (1) providing a questionnaire for inputting an overview of property; (2) receiving a response to the provided questionnaire; (3) automatically inputting the data of the property overview which is processed by the received response to a user's financial status according to the double-entry form of bookkeeping; and (4) updating the user's financial status by receiving data on income or expenditures. Further, the present invention relates to a household accounting system using a method for inputting household accounting data for double-entry bookkeeping and, more particularly, to the system comprising: a service server which provides a household accounting program for double-entry bookkeeping and provides an update of the household accounting program; and a user device which provides a questionnaire for inputting an overview of property by having the household accounting program installed therein and running the household accounting program, automatically inputs data of the property overview which is processed by receiving a response to the provided questionnaire to a user's financial status according to the double-entry form of bookkeeping, and updates the user's financial status by receiving data on income or expenditures. According to a method for inputting household accounting data for double-entry bookkeeping and a household accounting system using the same proposed in the present invention, a user device which has household accounting program for the double-entry bookkeeping installed therein and runs the household accounting program, provides a questionnaire for inputting an overview of property, and automatically inputs data of the property overview which is processed by receiving a response to the provided questionnaire to a user's financial status, thereby enabling the user, even without knowledge on the double-entry bookkeeping, to easily input the overview of property in accordance with assets, capital, and debt, etc. through a process of responding to the questionnaire and to use a household accounts created by fully implementing the principle of double-entry bookkeeping. Further, according to the present invention, owner items are provided in questionnaire items for selecting the owner so that the financial status can be automatically input for each family member of the user who is registered in advance, thereby identifying and utilizing the property status for each family member to establish financial portfolios for the entire family.