The invention provides a medicament for curing chronic aplastic anemia and a preparation method thereof. The medicament is prepared by the following raw materials: purple beautyberry, notoginseng, ginseng, wolfberry fruit, donkey-hide gelatin beads, Chinese caterpillar fungus, prepared rehmannia root, white atractylodes rhizome, dogwood fruit, rhizoma discoreae, Chinese angelica, honey, and the like, and according to the characteristics of different tastes, channel tropism, function and principle indications of all the Chinese medicinal herbs, the Chinese medicinal herbs are respectively screened, processed according to the weight (portion) proportion, dried, crushed, melted, evenly mixed and milled into honeyed pills, and the sterilization and the packaging by vacuum film pressing are performed to the honeyed pills. The medicament has good effect for curing the chronic aplastic anemia, is convenient to safely and efficiently take by patients who do not need to suffer from blood transfusion and bone morrow transplantation and take hormone medicine, has low treatment cost, and the like.