What are the symptoms of kidney disease, this is a big problem, the following separate several aspects to tell: a. If there are symptoms of urinary frequency, urinary urgency, painful urination, which is a sign of bladder irritation, can be diagnosed urinary tract infection, laboratory tests of routine blood, urinary routine can be a clear diagnosis. If there is low back pain, abdominal pain, accompanied by hematuria, urinary frequency, urinary urgency, urinary pain, consider the diagnosis of urinary stones, urinary ultrasound can make a clear diagnosis. Third, if there is edema of both lower limbs, foamy urine and weakness, the diagnosis of glomerulonephritis should be considered, and the diagnosis can be clarified by checking urinary routine and kidney function. If there are symptoms such as weakness, anemia, poor circulation, nausea and swelling of both lower limbs, the diagnosis of renal failure should be considered, and blood tests of renal function can clarify the diagnosis.