The invention discloses a ginseng preparation for reducing blood glucose and blood pressure and a preparation method of the ginseng preparation. The ginseng preparation is prepared from raw materials in parts by weight as follows: ginseng, polygonatum odoratum, cassia seeds, kudzuvine roots, common anemarrhena rhizome, Chinese yam, bitter gourd, astragalus membranaceus, fructus lycii, cochinchnese asparagus roots and wild chrysanthemum flower; firstly, ginseng, kudzuvine roots, Chinese yam and bitter gourd are juiced and filtered, ginseng juice, kudzuvine root juice, Chinese yam juice and bitter gourd juice are heated at the medium temperature, a solution A is obtained, polygonatum odoratum, cassia seeds, common anemarrhena rhizome, astragalus membranaceus, fructus lycii, cochinchnese asparagus roots and wild chrysanthemum flower are decocted, a solution B is obtained, the solution A and the solution B are mixed and heated in an airtight environment, the mixture is disinfected and sterilized through ultraviolet rays, after fine filtration, and the ginseng preparation for reducing blood glucose and blood pressure is obtained. The preparation can effectively reduce blood pressure, blood glucose and blood fat, adopts simple medical materials and is low in cost and suitable for ordinary patients suffering from hypertension and hyperglycemia.