The present invention discloses boletus flavored life-nourishing biscuits and a preparation method thereof. The biscuits are prepared from the following raw materials: wheat flour 280-300 parts, red beans 50-60 parts, coix seeds 30-35 parts, boletus hydrolysate dry powder 45-50 parts, sesame seeds 30-35 parts, whole milk powder 10-15 parts, carrot powder 10-12 parts, pectin 5-6 parts, barley 10-12 parts, lycium chinensis 20-30 parts, angelica roots 10-15 parts, platycodon roots 10-12 parts, radix polygonati officinalis 10-12 parts, white granulated sugar 100-120 parts, table salt 50-60 parts, sodium bicarbonate 15-18 parts, edible essence 12-15 parts and edible palm oil 80-90 parts. The biscuits are simple in preparation process. On the basis of ordinary biscuits, the boletus hydrolysate dry powder, the barley, the platycodon roots, the lycium chinensis, and other traditional Chinese medicinal material extract are added into the biscuits so that the biscuits are unique in flavor, rich in nutrition, capable of health-care function, beneficial to human health, suitable for most people to eat, and opens up new avenues for a better use of the boletus.