The invention discloses a preparation method of nutritious tribute cake. According to the preparation method, the finished nutritious tribute cake can be prepared from simple powder through molding and baking. The tribute cake is rich in human body required nutrients such as active proteins, bioflavonoid (mainly including rutin, quercetin, morin and kaempferol), anthocyanidin, D-(+)-chiro-inositol, Se, Cr, Mn, K, Mg, Ca, Fe, Zn, B vitamins, vitamin C, vitamin E, niacin and the like. The tribute cake prepared with the method is easy to digest and absorb, has edible effects of reducing lipid, reducing pressure, tonifying the spleen, promoting blood circulation, soothing the nerves, moistening the lung, improving constipation and the like, and can inhibit colorectal cancer and gallstones, prevent and cure diabetes, and inhibit absorption of hazardous substances. The tribute cake is prepared from pure natural raw materials, contains no chemicals, is nutritious and healthy and is suitable for people of all ages.