The invention discloses nutrition powder for lowering blood pressure and lipid and a preparation method thereof and belongs to the technical field of health care food. The nutrition powder is prepared from corn stigma, eggplants, green tea, garlic polysaccharide, seaweed se-polysaccharide, compound ferment powder and soybean protein powder according to a certain weight ratio. The nutrition powder has a good treatment effect on common chronic disease blood pressure and hyperlipidemia, meanwhile, the nutrition powder contains abundant nutritive constituents such as multiple types of vitamins and a great number of dietary fibers, and nutrition is complete and balanced; the compound ferment powder prepared through a specific formula contains multiple types of nutritive constituent, the organism is pushed to absorb and utilize nutritive substances, basic metabolism of the human body is enhanced, immunity of the organism is improved, and the nutrition powder is health care food which is quite suitable for being eaten by patients suffering from hypertension and hyperlipidemia.