Bloody urine usually will not appear within three months without recurrence of bladder cancer microscopy. At the initial stage before bladder cancer is not treated, bloody urine may appear, and usually it will not appear after treatment without recurrence. Bladder cancer refers to the occurrence of tumor on bladder mucosa, which is a common disease in the urinary system. At the initial stage, hematuria may occur, and it is painless hematuria, and with the development of the disease, frequent urination, urinary urgency, fatigue, anorexia, etc., patients should go to the hospital for treatment in time, and cooperate with chemotherapy and so on in order to prevent the recurrence. Bladder cancer patients need to prohibit smoking and alcohol, avoid contact with harmful substances, eat a light diet, keep a good mindset, and consult doctor in time if there is any abnormality.