The invention relates to a honey grapefruit biscuit, which is prepared by the following raw materials in parts by weight: 300-350 of flour, 70-80 of brown rice flour, 40-50 of yam, 40-50 of green bean, 20-30 of millet, 40-50 of grapefruit, 30-40 of blueberry, 60-70 of honey, 5-6 of Anredera cordifolia, 5-6 of burdock, 6-7 of aloe, 4-5 of angelica, 5-6 of Angelica dahurica, 4-5 of purslane, 4-5 of Artemisia capillaries and the like. The invention discloses the honey grapefruit biscuit and a preparation process thereof. In preparation, pineapple peels are used to steam yams, green beans and millet, so that the biscuit has the fragrance of pineapple, is fresh and tasty, and has very good functions of eliminating toxin, delaying ageing and beautifying skin; meanwhile, extracts of Anredera cordifolia, burdock, aloe, angelica and the like are also added, so that the functions of beautifying skin and delaying ageing and tonifying qi and blood of the biscuit are enhanced, and thus the biscuit is especially suitable for being eaten by female.