The special drugs for the treatment of renal anemia are erythropoietin, iron sucrose and other drugs. The pathogenesis of renal anemia is renal failure, the kidney secretion of erythropoietin is reduced, then uremia patients check the blood routine red blood cells, hemoglobin and other values decreased, anemia, so its treatment is to correct anemia. Exogenous erythropoietin can be applied to replace the lack of erythropoietin in the body to achieve the purpose of correcting anemia. However, sometimes the supplementation of erythropoietin alone is not effective, and in this case, it can be used in conjunction with the application of iron agents such as iron sucrose, so that renal anemia can be better corrected.