General frequent urination may be caused by a variety of reasons such as drinking a lot of water, cystitis or urinary stones, and it usually takes 1~4 weeks to improve. 1. Drinking a lot of water: Drinking a lot of water will cause an increase in the volume of urine, which will easily lead to frequent urination symptoms. Patients should adjust their drinking habits in time, as the amount of drinking water decreases the amount of urine naturally decreases. 2. Cystitis: frequent urination may also be caused by cystitis, the disease will stimulate the bladder, resulting in increased pressure in the bladder, causing frequent urination. Patients should follow the doctor’s instructions to use metronidazole, erythromycin and other drugs for treatment, this condition usually takes 1 to 2 weeks to improve. 3. urinary tract stones: urinary tract stones can cause irritation to the mucous membrane of the urinary tract, which can also cause the symptom. Urolithiasis is a long process, patients can take urethrotomy lithotripsy, laser lithotripsy and other surgical methods of treatment, it may take 3~4 weeks to improve the symptoms of frequent urination. Patients with frequent urination should go to the hospital in time and choose the appropriate method of treatment.