The utility model provides a multi-ROI analysis system of ultrasonic radiography images, comprising an ultrasonic image collecting device for collecting images of human tumors and a tumor identifying device which is electrically connected to the ultrasonic image collecting device and is used for receiving ultrasonic images and conducting the multi-ROI analysis. The multi-ROI analysis system of ultrasonic radiography images is advantageous in that analysis and comparison can be conducted on tumors without an operation; whether the tumor is benign or malignant can be rapidly and accurately determined; pain for the patient can be reduced, and examination fee for the patient can be saved; The structure is simple, operation is convenient, and popularization can be easily achieved.