The first symptom of glomerulonephritis: the first is hematuria, often microscopic hematuria, a small number of patients may be manifested as carnal hematuria, microscopic hematuria means that the patient can only see red cells in the routine urine test, while carnal hematuria means that the color of the urine is red and can be felt as hematuria. The second is proteinuria, patients with proteinuria often have increased urine foam, and urine protein can also be seen in the routine urine examination is positive. The third is edema, early glomerulonephritis edema often manifests as bilateral eyelid edema, and as the disease worsens, generalized edema, bilateral lower limb edema and other such manifestations appear. Some patients may have a combination of hypertension, patients often appear this dizziness, headache, measurement of blood pressure systolic blood pressure greater than 140mmHg or diastolic blood pressure greater than 90mmHg. patients with glomerulonephritis may develop renal insufficiency at a later stage of development. Patients show an increase in blood creatinine and urea nitrogen.