Kidney nodules clinically refer to kidney masses, generally there are benign and malignant nodules, and most of them are malignant, accounting for about 90%. So patients with kidney nodules should pay high attention to them. Early kidney nodules are not easy to detect, often due to ultrasound or CT detection. The common malignant tumors of kidney include renal cancer, renal pelvis cancer and nephroblastoma, which are the more common malignant tumors, and benign tumors include renal malignant tumors. Malignant tumors of the kidney often present with systemic painless carnal hematuria, abdominal masses or pain in the abdomen and other uncomfortable symptoms. If there are kidney nodules in the early stage, early detection, early diagnosis and early treatment are necessary.