Urological tumors are tumors of the urinary system. Urological tumors usually have painless hematuria, difficulty in urination, abdominal mass and other symptoms. 1. Painless hematuria: Usually, urinary system tumors are tumors occurring in kidney, ureter, bladder and urethra, whose main feature is painless hematuria, and may also cause abdominal pain, lumbago and other symptoms. 2. Difficulty in urination: Generally when the symptoms of patients with urinary system tumor are serious, it may lead to different degrees of narrowing of urethra, which affects the normal excretion of urine, so the patients will have the symptom of difficulty in urination, and they may also have the symptom of urinary frequency, urinary urgency, and incomplete urination. 3. Abdominal mass: patients with urological tumors may also have abdominal mass, especially kidney tumors with more obvious symptoms. It is recommended that if the above symptoms occur, patients should seek medical treatment to find out the cause and standardize the treatment to avoid delaying the condition.