Prostate enlargement 4.6cmx3cmx3.3cm is a serious problem that needs to be determined in the context of your own situation. The normal size of the prostate gland is 4cmx3cmx2cm, using rectal diagnostic size classification, the first degree of hyperplasia gland size to reach two times the normal gland, the second degree of the normal gland 2-3 times, the third degree of the normal gland 3-4 times, the fourth degree of more than four times the normal gland. Prostate enlargement of 4.6cmx3cmx3.3cm is less than twice the size of the normal gland, which is about 1 degree of hyperplasia or so, and is a mild enlargement. Frequent urination is the earliest symptom when the prostate is enlarged, and is more pronounced at night. Progressive dysuria is the most important symptom. When the obstruction reaches a certain degree, the bladder is not compensated, urination can not be completely residual urine, and gradually develops into urinary retention and so on. Prostate enlargement of 4.6cmx3cmx3.3cm can be chosen to wait and watch when the impact on the quality of life is small, but it is also necessary to carry out a risk assessment under the guidance of the doctor, and be alert to the occurrence of complications. Aggressive intervention is needed when progression occurs.