Disclosed is a real estate appraisal system that can achieve forward-thinking smart administration, conveniently apply the content of a land transfer receipt to Korea Real Estate Archive System, and ensure convenience, efficiency, and reliability in appraisal work. The real estate appraisal system comprises : a real estate information database which stores real estate information on an real estate to be appraised and real estate transfer data about the real estate to be appraised; and a user terminal which accesses the real estate information database to download an MDB file of real estate information and real estate transfer data, and in which a real estate property modification program is installed, wherein the real estate property modification program updates the MDB file by adding the real estate transfer data to which addresses are matched thereto if a signal requesting for combination of the MDB file and the real estate transfer data is input. According to the present invention, it is possible to automatically update a real estate information DB with the content of land transfer receipts collected through civil petitioners′ requests and the like.(100) Korea Real Estate Archive System(110) Real estate information DB(200) User terminal(300) Communications network(AA) ApplicationCOPYRIGHT KIPO 2016