Kidney discomfort is usually seen in urinary stones, urinary tract infections, urinary tract tumors and kidney diseases, etc., usually can be manifested as lower back pain, urinary frequency, urinary urgency, urinary pain, hematuria and other discomforts. 1. Urinary stones: kidney discomfort can be seen in urinary stones such as kidney stones, ureteral stones, bladder stones and other conditions, the patient can be accompanied by acute lumbar colic, usually more severe pain, in addition to hematuria, urinary pain and other symptoms. 2. Urinary tract infection: Kidney discomfort can be seen in urinary tract infection such as urinary tract infection, acute and chronic pyelonephritis and other diseases, patients can experience lumbar pain, urinary frequency, urinary urgency, urinary pain and other discomforts. 3. Urological tumor: Urological tumors such as kidney tumor, bladder tumor and other diseases can also cause renal discomfort, mostly manifested as lumbar pain and hematuria and other discomforts. 4. Kidney diseases: such as acute and chronic glomerulonephritis, nephrotic syndrome and other diseases, patients may not show obvious symptoms in the kidney area, but there will be proteinuria, oliguria and other symptoms. If kidney discomfort occurs, it is recommended to consult a doctor in time and standardize the diagnosis and treatment under the doctor’s guidance, so as not to delay the condition.