If relevant indications for examination exist, the penis can be examined using ultrasound, such as ultrasound, to determine blood flow, nodules, cysts, etc., within the penis. Ultrasound examination of the penis is a commonly used examination method for genitourinary diseases, which can make judgment on the blood flow of the cavernous body of the penis, the presence of cysts or local abnormal congestion within the penis, the presence of nodule obstruction in the intra-penile urethra, and the presence of urethral stenosis, and so on. Clinically, this examination is commonly used for inflammation of deep penile tissues, penile cancer, interruption of urethral continuity due to trauma, judgment of penile trauma injury, impotence, nodules or cysts, urethral stenosis, stone incarceration and other diseases. If you suspect any of these diseases, it is recommended that you visit a hospital promptly. Whether or not to perform this test, need to clinicians according to the condition of the comprehensive judgment.