Not frequent urination during the day and frequent urination at night could be increased nocturia, normally to the next day there is no nocturia or once is acceptable, but some patients, especially older male patients, the number of nocturia is increasing or can even reach five to six times or even more, which is called nocturia. The increase in nocturnal urination seriously affects the quality of sleep of patients, most commonly in men with prostate enlargement, especially older men, some young patients also have frequent urination at night may be caused by chronic prostatitis, it is recommended that patients go to a regular hospital for treatment to see if it is prostate enlargement or chronic prostatitis.