The invention discloses a blood fat reducing and blood pressure reducing tableting agent and a preparation method thereof. The tableting agent comprises 80-120 parts by weight of American ginseng, 80-120 parts by weight of pseudo-ginseng, 30-80 parts by weight of gastrodia tuber, 180-220 parts by weight of salvia miltiorrhiza, 180-220 parts by weight of fleece flower root, 180-220 parts by weightof hawthorn and 80-120 parts by weight of snakegourd fruit shell. The method comprises the following steps: grinding and mixing the American ginseng, the pseudo-ginseng, the gastrodia tuber accordingto the weight ratio to obtain mixed powder, taking the salvia miltiorrhiza, the fleece flower root, the hawthorn and the snakegourd fruit shell according to the weight ratio and adding ethanol water for extracting and contracting to obtain extract, adding the mixed powder and 50-350 parts by weight of starch into the extract and uniformly stirring, granulating, tableting and coating to obtain thetableting agent. The method has simple operation process and good functions of reducing blood pressure and blood fat, and is suitable for being popularized and used in people suffering from hypertension or hyperlipemia.