Glomerulonephritis is not contagious, because glomerulonephritis is an immune-mediated change in the kidney, so it is not contagious, but some nephritis can be inherited, as follows: 1, thin basement membrane nephropathy, some patients’ families have submicroscopic hematuria; 2, Alport syndrome, that is, the eye-ear-renal syndrome, with age, patients appear vision, hearing loss, slowly appear renal insufficiency, so 3, the more common clinical disease polycystic kidney, which is different from renal cysts, the disease is diffuse cystic changes, which is autosomal dominant, so the disease is easy to inherit, early performance of bilateral enlarged kidneys, accompanied by hypertension, some patients will repeatedly appear hematuria, there are also patients whose parents do not have the disease, but the chromosomes are damaged, the mutation will also appear the disease. Therefore, just because the parents or grandparents do not have the disease does not mean that the child will not have nephritis or kidney disease in the future, so the disease has a genetic tendency.