The invention discloses a method for realizing negative impulse anneal through writing data. The method comprises the following steps: pre-processing the display data of each frame, adjusting the display data in case of being smaller than a setting value, storing an adjusting mark, and outputting the display data after being adjusted within a first scanning period; and outputting the display or anneal data according to the adjusting mark within a second scanning period. The method provided by the invention can restrain the property excursion of the TFT of a drive OLED device in an active drive OLED display device, thereby prolonging the service life of the TFT device without damaging the brightness.