Early manifestations of female bladder cancer include hematuria of the naked eye, bladder irritation symptoms and so on. 1. Hematuria: The earliest symptom of female bladder cancer is painless hematuria. That is to say, bright red or flesh-washing water-like urine can be seen with naked eyes. Mainly because of the rapid growth of tumor surface, necrosis and shedding, it will bleed. The whole process of hematuria can also occur. After necrosis and bleeding of the tumor, it mixes with urine, resulting in the appearance of painless hematuria of the naked eye. 2. Bladder irritation symptoms: mostly due to tumor invasion to the muscle layer of bladder, which may cause patients to have urinary frequency, urinary urgency and urinary pain. Patients are reminded that if female patients have the above symptoms, it is recommended to seek medical treatment immediately.