The present invention discloses coffee taste flour and a preparation method thereof. The coffee taste flour comprises flour, soybean powder, sorghum powder, aralia elata seem, spirulina, pine nut, coffee bean, pleurotus eryngii, kidney bean, lonicera caerulea, ivy mosses, cyamopsis tetragonoloba, rhizoma imperatae, malva verticillata l, panax notoginseng and the like. The coffee taste flour of the present invention has the following beneficial effects that: the aralia elata seem contains protein, fat, dietary fiber, vitamin B2, vitamin B1, niacin, vitamin C, sodium, calcium, magnesium, iron, manganese, zinc, barium, lead, copper, phosphorus, cobalt, chromium, nickel, boron, strontium, peptides and other necessary elements required by human body, and the flour of the present invention is further added with pleurotus eryngii, ivy mosses and other components, such that the nutrition is rich, and the health of the people is easily achieved after eating the coffee taste flour of the present invention.