The invention discloses mint-aroma health-caring biscuits and a preparation method thereof. A concentrated Chinese herbal medicine raw-material is prepared from the following raw materials (in parts by weight): wheat powder, corn powder, black bean powder, butter, xylitol, mint, berchemia polyphylla, liquorice roots, Chinese clematis roots, all-grass of madras grangea, tree peony root bark, stringy stonecrop herb, raw radix rehmanniae, armand clematis stems, clove, and an appropriate amount of water. The mint-aroma health-caring biscuits are prepared by the steps of preparing an additive, making dough, preparing biscuit bases, carrying out baking and so on. The concentrated Chinese herbal medicine raw-material disclosed by the invention can be added as a health-caring additive during the preparation processes of the mint-aroma health-caring biscuits. The mint-aroma health-caring biscuits disclosed by the invention are prepared by adding the mint-flavor health-caring additive prepared from the 10 Chinese herbal medicines as the raw materials; and thus, the prepared biscuits have the aroma of the mint, and are high in nutritional values.