Problems with the vesicoureter may cause symptoms of dysuria, the main cause is caused by urinary tract obstruction, which needs to be standardized treatment with specific examinations as well as clinical symptoms. Abnormalities in the vesicoureter, such as inflammation, stones, tumors and other causes of urinary tract obstruction, will affect the urine discharge further lead to the production of urine. Further investigation requires a combination of clinical examination, blood tests and imaging to make a comprehensive judgment of the condition. After the obstruction is removed, most of the symptoms of oliguria will gradually decrease. When oliguria occurs, accompanied by lower abdominal distension and hematuria, it is necessary to be admitted to the hospital for examination and comprehensive judgment under the guidance of the clinician, so as to carry out standardized treatment after diagnosis of the disease and avoid delaying the condition.