PURPOSE : A method for providing a real estate registration information in real time using a communication network is provided to inquire and read an official document in real time by operating together with a public office system.CONSTITUTION : A position information database construction stage(S10) includes a database by areas construction stage(S11), a database by sections construction stage(S12) and a database by numbers construction stage(S13). A real estate information database construction stage(S20) includes a database by lands construction stage(S21) and a database by buildings construction stage(S22). A system construction stage(S30) includes a service system construction stage(S31), a public office system linking stage(S32) and a communication company linking stage(S33). An official documents application receipt stage(S40) includes a service system connection stage(S41), a service information presentation stage(S42) and an applicant voice message receiving stage(S43). An official document information analysis stage(S50) includes a voice recognition stage(S51), a voice classification stage(S52) and an identification code addition stage(S53). A database searching stage(S60) searches information in an officials document database. An officials document information providing stage(S70) includes a search information voice conversion stage(S71) and an officials document information transmission stage(S72). A service termination stage(S80) includes a service providing information storage stage(S81) and a service cost charging stage(S82).COPYRIGHT 2001 KIPO