Note on kidney nodules: First, follow the doctor’s instructions for regular review at the hospital and review CT or ultrasound to understand the volume changes and density changes of the nodules. Second, the usual activities need to pay attention to the presence of kidney nodules side of the waist, not strenuous activities, or violent collisions, blows, etc.. If there are related triggers, you need to go to the hospital for examination in time to clarify whether there is any effect on the nodules of the kidney, such as rupture after trauma, or local changes such as bleeding. Third, if there is no abnormal kidney function, the diet is based on normal diet. But with abnormal kidney function, the diet should be low protein and low salt diet. When other body systems are suffering from diseases, oral medications need to be watched for toxic effects on the kidneys and avoid nephrotoxic drugs, such as aminoglycoside antibiotics. Fifth, regular review, such as nodules have a malignant tendency, the need for timely surgery, not blindly observe and wait.