Low-grade early bladder cancer is also at risk of recurrence after treatment. Low-grade refers to the pathohistologic grading of bladder cancer, and low-grade bladder cancer is characterized by good differentiation and low malignancy. Bladder cancer is prone to recurrence, and the recurrence rate of non-muscle invasive bladder cancer can be as high as 70%, in addition, there is a portion of the population with progression after recurrence and the possibility of metastasis. The most common symptom of bladder cancer is painless hematuria, which is more common in older men and closely related to smoking. The most common symptom is painless hematuria. Therefore, older men with hematuria, especially those with a long history of smoking, should go to the hospital for examination as soon as possible. Patients who have developed bladder cancer need to work out a standardized treatment plan with their supervising doctor to reduce the risk of recurrence.