The invention discloses health-care can and a preparation method thereof. The health-care can comprises components of raw materials in parts by weight as follows: 40-50 parts of red dates, 5-7 parts of rice wine, 30-40 parts of cherries, 40-50 parts of nectarine, 15-25 parts of pineapples, 1-3 parts of portulaca oleracea, 20-30 parts of black fungus, 2-4 parts of roses, 80-100 parts of milk, 3-5 parts of honeysuckle, 20-40 parts of watermelon juice, 3-5 parts of lycium barbarum leaves, 2-4 parts of codonopsis pilosula, 40-50 parts of white granulated sugar, 1-3 parts of sweet potato vines, 5-7 parts of angelica sinensis and 300-400 parts of water. A production technological process comprises material selection, braising, extraction, fermentation, mixing and sterilization packaging. A fermentation broth of the cherries and traditional Chinese medicines is taken as can juice of the produced can and replaces conventional high-sugar water containing multiple additives, the flavor of the traditional can is overturned thoroughly in the aspect of taste, the can doesn't contain any additives such as food coloring and the like, is environment-friendly and safe and has multiple nutritional components; the red dates have the functions of strengthening the middle warmer, benefiting vital energy, nourishing the blood, calming the nerves and relieving the drug properties, and the can has the efficacy of reinforcing intelligence, tonifying the brain, enhancing the immunity, resisting allergy and the like.