If a woman has stinging pain after urination, she is considered to have an acute infection of the urinary tract. We recommend that you go to the nearest hospital and take urine for routine urine tests or urine culture tests. The diagnosis can be confirmed if a large number of white blood cells or bacteria are seen in the urine routine or if pathogenic bacteria can be cultured in the urine culture. 2. Treatment can be carried out with sensitive antibiotics, which can be selected according to the urine culture results, or empirically with levofloxacin hydrochloride capsules, one capsule, three times daily, orally for one week; or intravenous infusion of levofloxacin hydrochloride injection 200mg, intravenously, once daily. intravenous drip, once daily for 5 days, and observe whether the symptoms are relieved.3. Sodium bicarbonate tablets, one tablet, three times daily, can be taken orally for 5 days, and observe whether urinary frequency and painful urination are relieved.4. If the stinging pain is obvious, diclofenac sodium capsule, one tablet, can be taken orally when painful, as appropriate.