The invention discloses a fat-reducing, anticancer anti-aging hawthorn coarse cereal health-preserving food. The food is prepared from the following raw materials in weight proportions: hawthorn, oat,black rice, buckwheat, phaseolus calcaratus, corns, red dates, sweet potatoes, Chinese wolfberries, Pu-erh tea, brown sugar, sodium benzoate and food glue. The food has the effects of disease resistance, complete and rich nutrition, good absorption, anti-aging and blood fat reduction. Hawthorn products can enhance appetite, improve sleep, keep constant calcium in bones and blood and prevent atherosclerosis when being eaten frequently; the oat is used as a medicine since ancient times, has sweet and warm nature, and has the effects of tonifying spleen and stomach, smoothing intestine, promoting bowel circulation, stopping deficiency sweat, stopping bleeding and the like; and the Pu-erh tea has the more than 20 effects of warming stomach, losing weight, reducing blood fat, preventing arteriosclerosis, preventing coronary heart disease, lowering blood pressure, resisting aging, resisting cancer, reducing blood sugar, inhibiting bacteria, diminishing inflammation, reducing tobacco toxicity, reducing heavy metal toxicity, resisting radiation, preventing dental caries, improving eyesight, assisting digestion, resisting toxicity, preventing constipation, dispelling effects of alcohol andthe like.