The kidney as a target organ for secondary microvascular complications of diabetes mellitus represents a major problem. The pathology of diabetic glomerulopathy is well known. The coexistence of immunocomplex-mediated glomerulonephritis and diabetes mellitus has rarely been reported. The presence of crescents in glomerular disease of diabetes mellitus has been usually ignored in the literature. The present study describes one patient with epithelial crescentic diabetic glomerulopathy with rapidly progressive renal failure.