The data nonuniformity correcting method in industrial radiation image formation includes the following steps: the hardware mounting size ensures that top portion of detector array can mount several reference detectors; before the measured body is scanned by ray, firstly, it makes calibrating measurement, i,e, several lines of standard data produced by penetrating air can be scanned, it makes raypenetrate body to produce actual data; it makes brighness correction and nonuniformity correction of column scanning data; and the corrected data can be transferred into control station of system. Ascompared with existent technology said invention is high in correction quality.