Abstract: 121 children with pneumonia on dismetabolic nephroparthy background were investigated, and 20 children with pneumonia without urinary syndrome. It were performed following methods of kidney partial functions investigation of: glomerulus filtration, ammonia, acidity, osmotic quality of urine, daily metabolites screening (oxalates, urates, urine acid). In patients with pneumonia on dismetabolic nephroparthy background were revealed significant alterations of kidney partial functions, structural and functional condition of erythrocytes membrane, increasing of peroxides lipid oxidation processes. For the purpose of correction children with pneumonia and renal pathology it was prescribed following treatment.