Low-grade uroepithelial carcinoma still hurts 3 months after surgery may be caused by improper care, recurrence, infection and other factors. 1. Improper care: frequent exercise after surgery with improper care may cause repeated stimulation to the damaged part, which is difficult to recover completely, and then the symptoms of pain will appear frequently. 2. Recurrence: During the surgery, only part of it is excised, and there may be recurrence after the surgery, and after the recurrence, the symptoms of pain will be easily appeared. 3. Infection: after surgery, due to the damage to local tissues and the lack of strict material operation during surgery, it may lead to local infection, and when the infection worsens, it may cause painful symptoms. As low-grade uroepithelial cancer still has pain 3 months after surgery, it may also be caused by other factors, and it is suggested that patients should go to regular hospitals as early as possible for examination and treatment.