The cure rate of kidney cancer is still very high. The 5-year survival rate of stage I kidney cancer can reach about 95%; stage II can reach about 88%; stage III can reach about 60%, and even the 5-year survival rate of stage IV can reach 20%. It is generally believed that if the tumor does not recur within 5 years, it can be considered clinically cured, so among all malignant tumors in human body, the cure rate of kidney cancer is still considered very high. Therefore, among all malignant tumors in human body, the cure rate of kidney cancer is considered to be very high. Radical surgery is the first choice for treatment of stage I-III kidney cancer, while stage IV patients should adopt comprehensive treatment mainly based on internal medicine, and even some advanced kidney cancer patients with single lung or bone metastasis can achieve long-term survival through surgical removal of metastases.