Generally cause more frequent urination reasons, probably the following kinds: 1, increased urinary volume: in physiological conditions, such as drinking a lot of water, due to increased water intake, the volume of urine will also increase, the number of times of urination also increased, there will be a urinary frequency. In pathological conditions, such as some patients with diabetes mellitus and uremia drink a lot of water, urinate more, and urinate more often.2, inflammatory stimulation: acute cystitis, tuberculous cystitis, urethritis, pyelonephritis, vulvovaginitis and so on can appear urinary frequency. Under the stimulation of inflammation, frequent urination, urinary urgency and urinary pain may occur at the same time, which is known as urinary tract irritation sign.3, non-inflammatory stimulation: such as urinary stones, foreign bodies, etc.4, reduced bladder capacity: such as bladder space-occupying lesions, uterine compression of the enlarged uterus during pregnancy, tuberculosis contracture of the bladder, or larger bladder stones, etc..5, psycho-neurotic urinary frequency. Need to go to the hospital for further detailed examination to clarify the cause, targeted for effective treatment. According to the cause of urinary frequency of different reasons to choose different treatments, it is recommended that you go to the hospital to do a checkup, I wish you health.