Low grade bladder cancer is usually low grade papillary uroepithelial carcinoma of bladder with good differentiation, which is usually not harmful if actively treated before timely detection. Early symptoms of bladder cancer are mainly hematuria, usually manifested as painless hematuria, if the bladder tumor is located in the bladder triangle, it can manifest as terminal hematuria. If the tumor is located in other parts of the bladder, or the bleeding of the tumor is more, it may manifest as hematuria throughout the whole process. In addition, if the bladder tumor is necrotic or ulcerated, it may also manifest as frequent urination, urgency and painful urination. If bladder tumor is found, it should be actively treated, including transurethral bladder tumor electrodesiccation, total cystectomy, as well as bladder perfusion chemotherapy and immunotherapy. Usually, the prognosis of low-grade bladder cancer is better, and if it can be detected in time and standardized treatment, it usually has no great harm to life. Of course, the specific situation should be combined with the number, size and stage of the tumor and other factors. If you want to prevent bladder cancer, you should pay attention to avoid contacting toxic and harmful chemicals, develop good living habits, ensure enough sleep, quit smoking and drinking, have a light diet, avoid spicy and stimulating food, and participate in physical exercise to improve immunity. If bladder cancer is found, it must be actively treated and regularly rechecked.