The invention discloses a nutritional health-care bean paste and a preparation method thereof. The nutritional health-care bean paste is prepared from the following raw materials in parts by weight: 80-90 parts of yellow beans, 8-12 parts of aralia elata seem, 5-10 parts of Chinese artichoke, 3-5 parts of bolete, 3-4 parts of pumpkin seed powder, 2-3 parts of lotus leaf powder, 1-2 parts of Chinese hawthorn seed powder, 1-3 parts of bunge pricklyash leaves, 1-2 parts of humulus lupulus, 2-3 parts of semen arecae peel, 1-2 parts of fenugreek, 1-2 parts of hairy grape stems, 0.5-1.5 parts of angelica dahurica, 2-3 parts of waxgourd peel, 2-3 parts of cinnamomum cassia, 1-2 parts of snakegourd fruit peel, 30-40 parts of groundnut oil, 1.5-2.5 parts of soy sauce koji essences, 2-3 parts of bruised ginger, 3-5 parts of chopped green onion, 8-12 parts of capsicum, 2-3 parts of monosodium glutamate, 10-15 parts of iodized salt and 1-2 parts of five spice powder. The nutritional health-care bean paste prepared through the method disclosed by the invention has the health-care effects of loosening bowel to relieve constipation, improving the constipation, reducing blood fat, reducing cholesterol, softening blood vessels, preventing hypertension and arteriosclerosis, enhancing memory, protecting liver, beautifying, prolonging aging, strengthening stomach, promoting digestion, and the like, is unique in taste and rich in nutrition and is suitable for being eaten by various people.