Image processing technology is applied to recognize target clouds, and a real time calculation software for artificial precipitation instructions is designed and developed. Radar products are analyzed and processed such as the image pixel set expressed in polar coordinates. According to radar echo statistical analysis results in Sichuan Basin, the image processing methods of region segmentation and region labeling are used to recognize target clouds. In combination with the locations of operating points and operating tool performance, the relevant parameters in operating instruction are computed, which can greatly improve the automation of operation commanding.