The invention discloses health care rice bran oil capable of reducing blood lipid and a preparation method of the health care rice bran oil. The health care rice bran oil comprises the raw materials in parts by weight: 40-60 parts of rice bran oil, 10-20 parts of olive oil, 8-12 parts of corn oil, 8-12 parts of sunflower oil, 5-15 parts of haws, 5-9 parts of radish seed, 6-10 parts of semen cassiae, 3-5 parts of a rhizoma alismatis extract, 6-9 parts of a cattail pollen extract, 4-6 parts of a giant knotweed rhizome extract, 3-9 parts of turmeric, 3-5 parts of a kadsura pepper stem extract, 3-6 parts of hazelnuts, and 3-6 parts of walnut kernels. The invention further discloses a preparation method of health care rice bran oil capable of reducing blood lipid. The preparation method comprises the following steps: S1, pretreating the haws and the radish seed so as to obtain mixed pretreated substances; S2, pretreating the semen cassiae so as to obtain semen cassia pretreated substances; S3, pretreating the turmeric so as to obtain turmeric pretreated substances; S4, squeezing crushed hazelnuts, crushed walnut kernels, the mixed pretreated substances, the semen cassia pretreated substances, the turmeric pretreated substances, the rhizoma alismatis extract, the kadsura pepper stem extract, the cattail pollen extract and the giant knotweed rhizome extract for making squeezed oil; and S5, mixing the rice bran oil, the olive oil, the corn oil, the sunflower oil and the squeezed oil so as to obtain health care rice bran oil. The health care rice bran oil disclosed by the invention invigorates stomachs, promoting digestion, reduces cholesterol, is high in blood lipid reducing capacity, comprehensive in nutrition and good in antioxygenic property, uses a small number of organic solvents, and is good in blood lipid reducing effect, and the average effectiveness level reaches 96%.