Color ultrasound and CT are two different methods of examination, not comparable, the examination of the prostate are more accurate. Ultrasound examination of the prostate gland can check the size of the prostate gland, whether there are abnormal echoes, and can also observe whether the capsule in the prostate gland is smooth, whether there is any residual urine in the bladder, to determine whether there are prostate diseases such as prostate hyperplasia, prostatitis, and prostate stones, etc., and the results of the examination are more accurate, and are not prone to misdiagnosis. CT examination of the prostate gland can check the density distribution of the prostate gland and whether there is any structural disorder. In addition, CT examination of the prostate gland can also check whether there are substantial lesions in the prostate gland, and determine whether there is prostate hyperplasia, prostate cancer and so on according to the results of the examination. Since the examination method is affected by the conditions of the hospital, you can consult the local hospital for details.