The invention relates to a health-care product assisted to reduce blood glucose. The health-care product is prepared from the following raw components in parts by weight: 3-8 parts of jerusalem artichoke, 5-10 parts of portulaca oleracea, 3-8 parts of pseudo-ginseng, 1-3 parts of astragalus membranaceus, 2-3 parts of bitter gourd, 1-3 parts of trichosanthes kirilowi root, 2-5 parts of rhizoma anemarrhenae, 2-5 parts of rehmannia, and 2-5 parts of dendrobe. The health-care product can be prepared into capsules or troches through a conventional preparation process. The health-care product disclosed by the invention is enriched in a variety of plant saponins, polysaccharides, protein, fat, saccharides, mineral substances and vitamins; nutritional components are comprehensive and balanced; physiological functions of patients suffering from diabetes can be improved radically; islet beta cell functions are recovered; the symptoms of patients suffering from diabetes, such as lung deficiency, spleen deficiency and kidney deficiency, can be eliminated; diabetic complications are prevented and lightened; blood glucose is stably reduced; therefore, the purposes of treating both symptoms and root causes are achieved; and the health-care product disclosed by the invention is convenient to eat and easy to absorb by human bodies, and is applied to crowds suffering from diabetes.