Women who suddenly experience frequent urination need to go to the hospital for further examination to clarify the cause of the disease and then treat the symptoms.1. Acute urinary tract infections, such as acute urethritis, cystitis, pyelonephritis and so on, can cause sudden frequent urination, which is often accompanied by urinary urgency, painful urination or lumbar pain symptoms. After going to the hospital for routine urinalysis or urine culture test, we need to give antibiotic anti-infection treatment, such as intravenous infusion of levofloxacin hydrochloride or injection of cefuroxime sodium and other drugs to cure the infection, the symptoms of frequent urination can be restored to normal. 2, urinary stones, if there is a urinary stone can cause frequent urination symptoms, we need to go to the hospital to perform ultrasound examination of the urinary system to determine the stone after Give medication or extracorporeal shock wave lithotripsy, after the stone elimination, the symptoms of frequent urination can be improved.3, overactive bladder disease can suddenly appear frequent urination, and only frequent urination, will not appear urinary urgency, urinary pain symptoms, to the hospital for examination and diagnosis of the recommended oral tartrate Tolterodine tablets or succinate Solynasin tablets and other drugs to inhibit frequent contraction of the bladder to reduce frequent urination symptoms.