The invention discloses a
drug for treating a
cancer as well as a preparation method and application thereof. The
drug is prepared from the following raw materials in parts by weight: 3-7 parts of
prednisone, 5-12 parts of
aminophylline, 6-10 parts of
butylphthalide, 1-3 parts of
promethazine and 11-19 parts of maltotriitol. The preparation method comprises the following steps: mixing the
prednisone and
aminophylline, then adding deionized water, and carrying out ultrasonic treatment for 20min at the temperature of 45 DEG C to prepare a mixture A; mixing the
butylphthalide and the
promethazine, then adding the deionized water, and carrying out
microwave treatment for 5min to prepare a mixture B; and mixing the maltotriitol, the mixture A and the mixture B, carrying out ultrasonic treatment for 10min at the temperature of 65 DEG C, and then stirring the mixture at the temperature of 60 DEG C to dry to obtain the
drug. The drug is used for treating the
cancer, particularly has a unique
curative effect on treating
leukemia, is simple and available in raw materials, simple in preparation technology and low in production cost, does not have side and toxic effects and is suitable for large-scale popularization.