The invention provides a chocolate and nut energy biscuit and a production process thereof. The formula of the biscuit is prepared from the following raw materials in parts by weight: 150 parts of oat and nut mixed material, 90 to 110 parts of chocolate, 25 to 40 parts of butter, 40 to 50 parts of high gluten flour, 15 to 25 parts of whole milk powder, 10 to 20 parts of fine granulated sugar and 10 to 15 parts of whole egg liquid. Compared with the prior art, the chocolate and nut energy biscuit disclosed by the invention has the characteristics that nut sacks are processed and then are combined with baking cakes, and dose proportions of oat, nut, the chocolate, butter, the milk powder, the fine granulated sugar and the whole egg liquid are designed, and thus a brand-new snack product with a high calorific value and high fibers is obtained; the brand-new snack product is rich in all nutriment elements required by a human body; the brand-new snack product is abundant in nutrition, promotes human metabolism, ensures that a person does not easily get fat and has a health-care value while the brand-new snack product is used for supplementing energy.