The invention relates to the field of health food, specifically to rice bran oil with qi-benefiting and kidney-tonifying effects. The rice bran oil is prepared from the following raw materials by weight: 1350 to 1500 parts of rice bran, 38 to 40 parts of oil palm fruit pericarp, 45 to 50 parts of grape seed, 15 to 17 parts of celery seed, 10 to 12 parts of common fenugreek seed, 14 to 16 parts of eucommia bark, 15 to 18 parts of wolfberry, 6 to 8 parts of large-fruited hodgsonia seed, 16 to 20 parts of sweet osmanthus and 8 to 12 parts of fleece-flower root. According to the invention, the rice oil is prepared by using carbon dioxide subcritical extraction technology, production process is environment friendly and highly efficient, extraction temperature is low, and a plurality of beneficial biologically-active components in the raw materials are not destroyed; rice bran and oil plants like the oil palm fruit pericarp are used as carriers, active substances like volatile oils and liposoluble constituents in Chinese herbal medicines are extracted into oil, so the rice bran oil provided by the invention has comprehensive nutrients and rich fragrance, can nourish the kidney, build up the body, tonify qi, invigorate the spleen and the stomach, etc., and is applicable to daily health care of consumers.