The invention discloses an optical radiation calibration device and relates to the technical field of an optical radiation measurement and calibration device. The calibration device comprises an optical standard radiation unit, an optical radiation measurement unit and a main control computer, wherein the optical standard radiation unit and the optical radiation measurement unit are controlled bythe main control computer, the optical standard radiation unit is used for outputting a standard optical radiation value under the control of the main control computer and used for calibrating photoelectric response characteristic parameters of various types of photoelectric detection instruments or modules, and the optical radiation measurement unit is used for detecting the optical output valueand spectral characteristics of a tested object under the control of the main control computer, and the calibration device has standard optical radiation output calibration and optical radiation measurement functions. The calibration device is advantaged in that the volume is small, and measurement accuracy is high.