The invention relates to a health preserving coarse cereal having a health-care function. The health preserving coarse cereal is prepared from wheat, barley, peas, mung bean, oat, buckwheat, black glutinous rice, red bean, Chinese yam, corn, seeds of Job's tears, black soya bean, chrysanthemum, carrot, root of spinach, white gourd and pumpkin by weight, has the effects of softening blood vessels, stabilizing blood sugar, lowering down serum cholesterol, preventing outbreak of cancers, hypertension and coronary heart disease, increasing the concentration of histamine, enabling peripheral blood vessels to expand, reducing blood pressure, enabling internal secretion to maintain normal and delaying aging, and is extremely easy to popularize.