The differences between acute glomerulonephritis and chronic glomerulonephritis are the duration of the disease, pathogenesis, population and prognosis. 1. Duration of the disease: acute glomerulonephritis has an acute onset and a short duration; chronic glomerulonephritis has a slow onset and a long duration. 2. Pathogenesis: acute glomerulonephritis is mostly caused by streptococcal infection; chronic glomerulonephritis is mostly caused by glomerular diseases of different reasons, such as IgA nephropathy, focal segmental glomerulosclerosis and so on, and a few of them are transformed from acute glomerulonephritis. 3. The incidence of the population: the incidence of acute glomerulonephritis is mainly in children; the incidence of chronic glomerulonephritis is mainly in young and middle-aged people. 4. Prognosis: acute glomerulonephritis has a good prognosis; chronic glomerulonephritis has a poor prognosis. Patients with acute and chronic glomerulonephritis should go to the hospital in time and be treated under the guidance of professional doctors.