If hypertrophy of the prostate is to urethral all round develop, the likelihood has light show only, do not have a symptom even. If to cystic and cervical development, even if hyperplasia is not big, also can appear serious symptom. General and inchoate expression is the patient micturition number increase, at night more apparent. Every time micturition often discharges ungodliness, stay have leftover make water, for a long time, can bring about oedema of cystic and cervical hyperaemia. As the elapse of time, cystic muscle is fatigue, micturition is more faint, leftover make water more increase subsequently, at this moment prostate more bloodshot oedema, make the uric line of eduction fine, bifurcate.

Sometimes make water won'ts do line, drop drop and piece, sometimes uric line divides two, go the toilet should wait half minutes to go out to make water of a minute of ability. If later period is leftover when uric quantity and normal cystic size are equal, when hear running water voice or causing reflection because of other stimulation, can spill over automatically uric fluid. Cystic neck exit is exceeding oedema congests, it is to be stimulated, for example make water of catch cold catch cold, hold back, excessive overworked, with respect to block of meeting occurrence acute, lose the ability of automatic micturition completely, call " acute make water to go leave " .