Uroepithelial cancer mainly refers to bladder cancer, renal pelvis cancer and ureteral cancer originated from epithelial tissue. 1. Bladder cancer: its occurrence is mainly related to smoking, long-term exposure to industrial chemical products and chronic infection of bladder. It often manifests as intermittent painless hematuria. 2. Renal pelvis cancer and ureteral cancer: they can be collectively called malignant tumors of upper urinary tract. Its causative factors mainly include smoking, long-term use of analgesics, coffee, application of analgesic drugs and so on. It often manifests as intermittent painless hematuria or microscopic hematuria, and occasionally streaks of blood clots can be seen. A few patients may also have dull pain in the waist, renal colic and so on. The treatment of uroepithelial carcinoma is mainly based on surgery, and it can also be combined with radiotherapy and other treatment modalities, if you suffer from uroepithelial carcinoma, it is recommended to consult a doctor in time for diagnosis and treatment.