The invention discloses a health-care scented tea capable of slimming and reducing weight and a preparation method of the health-care scented tea. The health-care scented tea is prepared from the following raw materials in parts by weight: 100-200 parts of an oolong tea, 20-40 parts of a traditional Chinese medicine extracting solution, 15-25 parts of vegetable and fruit condensed juice, 2-6 parts of hibiscus sabdariffa, 5-10 parts of roses, 2-4 parts of sweet-scented osmanthus, 2-5 parts of pagodatree flowers, 3-5 parts of lotus leaves, 2-3 parts of chrysanthemum meters, 3-8 parts of rice vinegar, and 5-10 parts of honey, wherein the traditional Chinese medicine extracting solution comprises the following raw materials and components in parts by weight: 1-3 parts of fiveleaf gynostemma herbs, 2-5 parts of semen cassiae, 1-3 parts of immature tangerine peel, 1-2 parts of dried orange peel, 2-5 parts of mulberry leaves, 2-4 parts of chrysanthemum morifolium, and 3-7 parts of herba artemisiae scopariae; the vegetable and fruit condensed juice comprises the following raw materials and components in parts by weight: 2-5 parts of haws, 3-5 parts of white gourds, 1-3 parts of bitter gourds, 2-4 parts of bananas, 1-3 parts of white turnips, 3-6 parts of carrots, 2-3 parts of celery, 1-5 parts of lemons, and 3-6 parts of white sesame seeds. The health-care scented tea disclosed by the invention is dried at low temperature in a vacuumizing manner, so that the quality is good, the usage quantity is small, the cost is low, and the health-care scented tea is convenient to brew and drink, and good in appearance.