The examination of hypertensive nephropathy includes laboratory tests, imaging examinations and renal puncture biopsy, etc., as follows: 1. Medical history: patients with long-term blood pressure are above 140/90 mmHg, or present with eyelid or lower limb edema, heart enlargement, atherosclerotic retinopathy on fundus examination; 2. Laboratory tests: urine protein characterization is usually 1-2 plus, red blood cells may appear in the urine, 24-hour urine protein quantification is below 2g. And renal function tests can be seen in the blood urea nitrogen, creatinine elevation; 3, imaging: kidney ultrasound in the early stage can be mostly no change, the development of renal failure can appear in different degrees of kidney shrinkage, electrocardiography often suggests high voltage left ventricle, chest X-ray or echocardiography often suggests aortic sclerosis, left ventricular hypertrophy or enlargement; 4, kidney tissue biopsy: identify may be other causes of nephropathy, clear lesion type, to guide the disease treatment and prognosis. To guide the treatment and prognosis of the disease.