The utility model provides a radio frequency identification reader-writer circuit and belongs to the field of oil and gas exploitation and exploration. The radio frequency identification reader-writer circuit comprises a one-chip microcomputer, a radio frequency identification special-purpose chip, a long lead wire match circuit and an antenna, wherein the one-chip microcomputer is connected with the radio frequency identification special-purpose chip, the one-chip microcomputer is used for reading and writing data on the radio frequency identification special-purpose chip and is controlling the radio frequency identification special-purpose chip, and the radio frequency identification special-purpose chip is connected with the long lead wire match circuit which is in connection with the antenna. The long lead wire match circuit for the antenna is designed in the reader-writer special-purpose circuit designed by the utility model, and radiofrequency signal distortion and interference caused by a long arranged line can be eliminated.