75% of kidney cancers are clear cell carcinoma, which is mainly treated by surgery, the tumor is cut off and the normal kidney is preserved, the general hospitalization time is about 5-7 days. The kidney is a rich blood supply organ, about 20% of the blood coming from the heart passes through the kidney. After surgery, the following points should be noted: 1. rest: no strenuous activities or heavy physical labor; 2. regular review: most patients do not need medication after kidney surgery, as long as they are reviewed regularly according to the doctor’s orders when they are discharged from the hospital; 3. diet: a light and nutritious diet can be given.