Polyuria and frequent urination require clarification of the cause of the associated symptoms before further treatment. Possible causes and treatment: 1. Urinary tract infections. Infection can cause symptoms such as frequent urination, increased urine volume, urinary urgency and painful urination. It is recommended to retain urine routinely for routine culture and bacterial examination, and if the presence of infection is confirmed, further anti-infection treatment is recommended. You can choose to take one oral ciprofloxacin tablet three times a day and one oral levofloxacin capsule three times a day, etc. 2. prostate hyperplasia. Patients with prostatic hyperplasia can experience symptoms such as frequent urination, excessive urination and straining to urinate. If infection is ruled out then further ultrasound examination of the sexual prostate is required. If the presence of prostatic hyperplasia is confirmed, it is recommended to take one oral tamsulosin hydrochloride extended release capsule once a day. Finasteride tablets one tablet once a day. 3. Psychogenic urinary frequency. It is usually no obvious abnormality in the routine urine examination and urinary tract examination. It may be related to high tension, excessive water consumption, too frequent caused by frequent urination, most of which can recover naturally after relieving the spirit and relieving stress. 4. urinary stones. Stones stimulate the mucous membrane of the urinary system can also produce symptoms such as frequent urination and polyuria, and can also cause symptoms such as pain in the lower back and abdomen. Further ultrasound examination is recommended, and if stones are present, extracorporeal shock wave lithotripsy treatment is required.