A radio frequency array antenna calibration device provided by the invention comprises a radiofrequency radiation signal receiving device; the radiofrequency radiation signal receiving device includes a receiving antenna; the antenna calibration device also comprises a standard antenna perpendicular to the calibrated radiation antenna polarization mode; a laser ranging assembly is installed on the radiofrequency radiation signal receiving device; the laser ranging assembly includes a laser emission source, a thin film and a thin film coating capable of reflecting the laser and transmitting radio-frequency signals; the thin film coats the actual surface of the calibrated radiation antenna; and the thin film coating coats the calibrated radiation antenna central zone. The radio frequency array antenna calibration device is able to solve the problem of fuzzy distance measurement in the prior art and achieve the beneficial effects of improved the distance measurement precision and more reliable measurement and debugging results.