The invention relates to a bread and a preparing method thereof, and belongs to the field of food processing. The bread is prepared from whole wheat flour, bread flour, eggs, fruit juice, olive oil, xylitol, folium perillae, agarwood, wild buckwheat rhizomes, common selfheal fruit-spikes, common lophatherum herb, yeast and water. The preparing method includes the steps that the raw materials are taken, and the bread is prepared through the procedures of raw material pretreatment, bread blank preparation, primary fermentation, dough forming, secondary fermentation, baking and the like. According to the bread, white sugar is replaced with xylitol which contains no sugar or calories, and thus the bread has the advantages of being high in sweetness degree and low in calory; the fruit juice is added, so that the bread is unique in flavor, tasty and delicious; the folium perillae, agarwood, wild buckwheat rhizomes, dutchmanspipe roots and common lophatherum herb are added, and thus the bread has the health-care effects of promoting the circulation of qi and harmonizing the stomach, tonifying the spleen and the kidneys, relieving exterior symptoms through pungent hotness and the like.