Kidney pain may be related to kidney stones, renal malignancy, acute pyelonephritis and other diseases, which need to be combined with other medical history and other symptoms to make a comprehensive judgment. 1. Kidney stones: If you have kidney stones, you may experience pain in the kidneys during an attack, which is usually accompanied by the symptom of hematuria. 2. Renal malignant tumor: during the attack of renal malignant tumor, there will be painless hematuria, usually accompanied by pain in the kidney area, so kidney pain may be related to renal malignant tumor. 3. Acute pyelonephritis: In the attack of acute pyelonephritis, there will be obvious pain in the kidney area. It is usually accompanied by fever and chills. If you have kidney pain, you should go to the hospital in time to find out the cause of the disease and give standardized treatment under the guidance of the doctor.