The present invention discloses ginseng and semen cassiae tableted candy and a preparation method thereof. The product, namely the ginseng and semen cassiae tableted candy is prepared from the following raw materials: 10%-20% of ginsengs, 5%-10% of semen cassiae, 10%-20% of brassica rapa var. rapa, 25%-35% of brown sugar, 2%-10% of isomaltooligosaccharide, 5%-10% of hydroxypropyl starch, 10%-15% of cocoa powder and 1%-2% of magnesium stearate. The product is prepared by the following processing processes of raw and accessory material fine selecting, mixing, crushing, granulating, drying, granule separating, total mixing, tableting, sterilizing, packaging, etc. The tableted candy is rich in smell and comfortable in taste, has effects of clearing heat and relieving toxins, supplementing qi and strengthening the spleen, and moistening intestines and relaxing bowels, has advantages of being safe and effective, small in toxic and side effects, long in a storage life, easy to carry and eat, etc., and is simple in preparation method and conducive to industrial productions.