The invention discloses a medicine for treating chronic renal insufficiency and chronic renal failure diseases. The medicine comprises the following raw materials in parts by weight: 70-90 parts of hairy antler, 17-23 parts of prepared common monkshood daughter root, 70-90 parts of cassia twig and 170-230 parts of all-grass of desertliving cistanche; preferably, the medicine also comprises the following raw materials in parts by weight: 170-230 parts of common macrocarpium fruit, 85-115 parts of prepared rhizome of rehmannia, 170-230 parts of largehead atractylodes rhizome, 170-230 parts of Chinese angelica and 45-55 parts of astragalus membranaceus; preferably, the medicine also comprises the following raw materials in parts by weight: 170-230 parts of Indian buead, 170-230 parts of plantain seed and 17-23 parts of root-bark of tree peony; and preferably, the medicine also comprises the following raw materials in parts by weight: 85-115 parts of twotooth achyranthes root and 45-55 parts of rheum rhabarbarum. The medicine disclosed by the invention can be used for tonifying the kidney-qi, strengthening the kidney-yang and recovering the renal functions, and can be used for treating chronic renal insufficiency, chronic renal failure, limb weakness, waist-knee-limb coldness, difficult urination, frequent urination or nighttime micturition, bleak or dark complexion, sluggish in facial expression, double-limb pitting edema, face and eye edema, urea nitrogen increase, creatinine increase, hypertensive nephropathy and diabetic nephropathy caused by insufficiency of kidney-yang, and treating the chronic renal insufficiency and chronic renal failure diseases caused by medicine injury or other reasons.