The invention relates to a rice aroma beef sauce and a preparation method thereof. The rice aroma beef sauce is characterized in that the rice aroma beef sauce is prepared from the following raw materials by weight: 50-55 parts of beef, 2-2.4 parts of creeping liriope, 1-1.2 parts of equisetum hyemale l, 0.8-1 part of american ginseng, 1-1.2 parts of rehmannia glutinosa(gae-rtn.) libosch, 0.9-1 part of gerbera anandria (linn.)sch.-bip, 1.1-1.4 parts of monochoria vaginalis, 3-4 parts of propolis, 7-8 parts of hulless barley powder, 3-4 parts of capsella bursa-pastoris, 4-5 parts of flammulina velutipes, 4-4.5 parts of garlic sprouts, 22-25 parts of sunflower seed kernel, 30-35 parts of glutinous rice, 10-11 parts of crab meat, 0.1-0.2 part of a composite flavor protease, 350-370 parts of sweet flour paste, and 4-5 parts of a nutritional additive. According to the present invention, the aroma and the sweet taste of the glutinous rice and the delicious taste of the crab meat are fused into the rice aroma beef sauce, such that the rice aroma beef sauce has the unique flavor; the rice aroma beef sauce is rich in nutrition, wherein the hulless barley powder is rich in dietary fibers so as to remove toxins from the body, and the garlic sprouts contain capsaicine so as to provide effects of sterilization and influenza prevention; and the rice aroma beef sauce further contains a variety of Chinese herbal ingredients so as to provide effects of lung moisturizing, heart-fire clearing, eyesight improving, nebula removing, qi reinforcing and yin nourishing after regular taking.