The invention discloses a making method of a nutritional rice cake for infants. The making method comprises the following steps that 1, sardine powder is prepared; 2, the rice cake is prepared, wherein the sardine powder is processed with moderate flame microwaves for 10-15 seconds, glutinous rice flour, ginger juice, ground seaweed, Chinese olive powder, walnut powder, wheat meal, sesame powder, spinach juice, crude salt and pickled cabbage juice are added and mixed, rolling and forming are formed to obtain a cake blank, the surface of the cake blank is coated with a layer of rice cake protective agent and then is brushed with a layer of plant oil mixed liquid after air-drying, the cake blank is put in a baking oven, baking is performed under the conditions of the upper flame temperature of 130-150 DEG C and the lower flame temperature of 145-157 DEG C for 40-48 minutes, cooling is performed for 6-10 hours, then ultraviolet sterilization is performed for 15-20 minutes, and a rice cake finished product is obtained after sealing and package. The made nutritional rice cake for infants has the advantages of being attractive in appearance, good in taste and rich in nutrition, promotes infant growth and has a wide market popularization value.