Painful urination is recommended to go to the hospital for examination to clarify the possible causes: 1. Urinary tract infections, such as urethritis or cystitis, can be characterized by frequent urination and painful urination. It can also be accompanied by symptoms such as urinary urgency, with back pain or with fever. It is necessary to go to the hospital for urine tests to clarify the presence of urinary tract infections.2. Stones in the urinary system, commonly found in the lower ureter or painful bladder stones. They can cause irritating urinary frequency, painful urination, straining to urinate or bifurcation of urination, hematuria and other symptoms. 3. Tumors or polyps in the urinary system can cause bleeding or symptoms such as frequent urination, urinary urgency, and painful urination. It is necessary to go to the hospital for further CT or cystoscopy of the urinary system to clarify the presence of tumors or polyps in the urinary tract.