Brain-nourishing and kidney-tonifying black soybean milk and preparation method thereof

The invention provides brain-nourishing and kidney-tonifying black soybean milk and a preparation method thereof, and relates to the technical filed of soybean milk processing. The brain-nourishing and kidney-tonifying black soybean milk is prepared from the following raw materials in parts by weight: 90-110 parts of black beans, 7-12 parts of walnut kernels, 15-25 parts of fried black sesame seeds, 15-25 parts of black peanut kernels, 7-12 parts of black dates, 3-7 parts of astragalus membranaceus, 900-1100 parts of water, and an appropriate amount of white sugar. The raw materials adopted for preparing the black soybean milk are medicine-and-food-homologous materials. The prepared black soybean milk is capable of nourishing the brain, tonifying the kidney, moistening the lung, and protecting the liver; moreover, the black soybean milk has very good preventive and health-care effects on a variety of chronic diseases of the elderly, such as hypertension, hyperlipidemia, atherosclerosis and so on. 本发明提供种健脑补肾的黑