The invention discloses a health-care roast chicken and a preparation method thereof. The health-care roast chicken is prepared from leaves of laurus nobilis, radix angelicae sinensis, aniseed, licorice root, nutmegs, fruits of neolitsea ellipsoides allen, cardamom, fennel, flos caryophyllata, fructus piperis longi, semen alpiniae katsumadai, Sichuan peppers, radix angelicae dahuricae, rhizoma alpinia officinarum, rhizoma kaempferiae, cortex cinnamomi and a chicken. The health-care roast chicken and the preparation method thereof have the advantages that a soup stock adopted for the health-care roast chicken is obtained by decocting contained raw materials and has the effects that the flavor is strong, the appetite is enhanced, the gastrointestinal motility can be improved, the digestion is promoted and the stomach is strengthened. In the decocting process, active ingredients in the soup stock and seasonings slowly permeate the chicken, so that the taste of chicken is uniform; since after decocting is completed, the chicken is braised to make the taste of the chicken soft and chicken slices fragrant; after the chicken is eaten into the stomach, the effect of warming the stomach isachieved, the gastrointestinal motility can be improved, the digestion is promoted, the appetite is enhanced, and for people who drink wine while eating the roast chicken, the effect of protecting thestomach can be achieved.