Symptoms of nephritis syndrome include: 1, hematuria. Microscopic hematuria, which can only be seen under the microscope; naked eye hematuria, which is usually not accompanied by blood clots, can be distinguished by the naked eye, and it is like a washout.2, proteinuria. Generally manifested as mild or moderate proteinuria, 24-hour urine protein quantification is less than 3.5g.3, edema, predominantly in the lower limbs of both, and gradually extended to the circumference of the body, the cause of which, such as a decrease in the glomerular filtration rate, resulting in sodium and water retention.4, renal hypoplasia, which can be manifested by an increase in blood creatinine.5, hypertension, which can be seen to varying degrees in this patient, and whose hypertension is characterized by difficulty in controlling it.