Low-grade uroepithelial carcinoma is cancerous but less malignant. Patients may present with painless hematuria, which can be treated by surgery and bladder instillation therapy as prescribed by doctor, and usually has a better prognosis. Low-grade uroepithelial carcinoma belongs to a type of carcinoma in situ, with a lower degree of malignancy, and belongs to a type of bladder tumor. Low-grade uroepithelial carcinoma is easily induced by long-term exposure to chemicals and radiation. Patients may have painless carnal hematuria symptoms, and the color of urine is similar to the color of meat wash, strong tea color, brown color, and so on. If patients with low-grade uroepithelial cancer are in early stage of the disease, they can follow the doctor’s instruction to undergo surgical treatment to remove the lesions in the body, which has a certain chance of curing the disease. Some patients can undergo bladder perfusion treatment as prescribed by the doctor after the surgery, and use chemotherapy drugs during the treatment to destroy the tumor cells in the body, which usually has a better prognosis. If diagnosed with low-grade uroepithelial carcinoma, patients are advised to find out and treat the disease as early as possible, and do not delay the treatment to prevent the aggravation of the disease from jeopardizing the safety of life.