Urine thinning after surgery for prostate hypertrophy may be due to the edema period after surgery, or may be caused by urethral stenosis complications triggered after surgery. It is a common clinical symptom, generally through the urethral dilatation treatment is able to alleviate the symptoms and promote recovery. 1. post-water edema: prostate hypertrophy surgery due to surgical trauma easily caused by edema, edema compression of the ureter may appear urine thinning. Patients can be under the guidance of the doctor for prostate massage, physiotherapy, hot water sitz bath, etc., which can promote absorption, improve blood circulation, promote edema and then relieve symptoms. At the same time to ensure adequate rest, eat more fresh fruits and vegetables, usually after the disappearance of edema symptoms can be relieved. 2. Urethral stenosis: Urethral stenosis is a complication that can easily occur after surgery for prostate enlargement, which leads to the symptom of thinning of urine. Patients can follow the doctor’s instructions for urethral dilatation treatment, after anesthesia by the doctor will urethral dilator from thin to thick slowly into the urethra for expansion. In order to alleviate the situation of urethral stenosis, and promote the recovery of the disease, usually the prognosis is good, and can be significantly improved after a period of active compliance with medical treatment. In summary, the prostate hypertrophy surgery after urine thinning is able to recover. It is recommended that patients go to the hospital in a timely manner and follow the doctor’s instructions to avoid delaying the condition.