The invention discloses an oatmeal biscuit, which uses oatmeal as the main material, and the specific steps are as follows: a. Prepare the material; weigh the raw materials according to the following parts by weight: 15-20 parts of oatmeal, 17-19 parts of sunflower oil, and 5-parts of fructose 7 parts, stevioside 1-3 parts, corn starch 7-9 parts, egg liquid 4-6 parts, ammonium bicarbonate 0.4-0.6 parts, sodium bicarbonate 0.15-0.17 parts, biscuit special enzyme 0.03 parts, water 18-20 parts b, preparation of auxiliary material mixture; c, dough making; d, roll printing molding; put the crispy biscuit dough or tough biscuit dough into the biscuit forming machine, carry out roll printing molding, and make the cake embryo; e, bake; Put the cake embryo into an oven and bake to obtain oatmeal biscuits; baking process conditions: baking temperature 270-300°C, baking time 5-7 minutes. The invention has the advantages of comprehensive nutrition, promoting digestion and the like, and can be applied in the technical field of biscuit processing.