If women have a stinging sensation when urinating, then the possible causes are: 1. Acute urethritis or cystitis, when there can be congestion and edema of the mucosa of the urethra or bladder, accompanied by local mucosal erosion. Urine flowing through the mucous membrane of the associated lesion can produce a stinging sensation. Patients often experience discomfort such as frequent urination, urgency, and painful swelling in the small abdomen. In severe cases, the patient can develop the symptoms of hematuria in the naked eye, which requires routine urine and urine culture examination. If necessary, urethroscopy is needed to confirm the diagnosis.2. Urethral stones or bladder stones can also cause stabbing pain in the urethra. Localized pain due to mucosal damage caused by stones and abnormalities in urination, such as interruption of urination, bifurcation of urination and foreign body sensation in the urethra. Ultrasound examination of the urinary system is required to confirm the diagnosis.