The invention discloses a rana chensinensis food for tonifying kidney, reinforcing premodial qi, resisting cancer and beautifying faces and a preparation method thereof. The rana chensinensis food is prepared from rana chensinensis, glossy ganoderma, ginseng, hairy antler, prepared rehmannia root, Chinese wolfberry, common macrocarpium fruit, cistanche, cinnamomvine, semen sesami nigrum and mushroom mycelia. The preparation method comprises the following steps of: drying the rana chensinensis in a weight ratio, and grinding into rana chensinensis powder for later use; separating the glossy ganoderma from water, steaming over slow fire for 40 minutes, taking the steamed glossy ganoderma out, airing or drying, and grinding into powder for later use; putting the dried semen sesami nigrum and the Chinese wolfberry into the mixture of the hairy antler, the ginseng, the mushroom mycelia, the cinnamomvine, the common macrocarpium fruit, the prepared rehmannia root and the cistanche, and grinding into powder; and blending the three groups of powder, and stirring uniformly. The rana chensinensis food has the effects of tonifying kidney, reinforcing premodial qi, resisting cancer and beautifying faces, and is comprehensive in nutrition, easy to absorb and obvious in effect; and compared with the conventional single rana chensinensis which is eaten directly, the rana chensinensis food has the advantages that nutritional ingredients are comprehensive and easy to absorb, and a health-care effect is obvious.