There are two classifications of glomerulonephritis, clinical classification and pathological classification: 1. The clinical classification is divided into primary and secondary. Primary glomerulonephritis is divided into acute, acute, chronic and occult nephritis. In addition to primary glomerulonephritis there is also secondary, secondary glomerulonephritis also appear proteinuria, edema or hypertension and mild kidney damage, if it is a young female nephritis, when there is proteinuria, edema, hypertension, the first consideration is lupus nephritis, the first to exclude lupus nephritis; if it is a small child proteinuria, hematuria, the first to exclude is purpura nephritis; if it is middle-aged If you are a middle-aged person, you should exclude hepatitis B-associated nephritis, secondary glomerulonephritis and other clinical classifications; 2. The pathological classification is done by kidney biopsy, and then divided according to the type of pathology, one is lymphoproliferative glomerulonephritis, lymphoproliferative glomerulonephritis is divided into light, medium and heavy; there is also membrane, and membrane is divided into five stages, stage I, stage II, stage III, stage IV, stage V; there is also focal segmental sclerosis. The prognosis is worse for focal segmental sclerosing glomerulonephritis.