The invention discloses a processing process of blackberry-flavored breakfast biscuits. The processing process includes the following steps: firstly, all raw materials are weighed in parts by weight;secondly, wheat flour, palm oil and bean dreg powder are evenly mixed, pure water and half of blackberry juice are added, concocting is conducted to form a dough, honey is added, then table salt and carbon baking soda are added, stirring is conducted until the dough is even and fine, fermentation is conducted for 2-3 h, and a fermented dough is obtained; thirdly, forming is conducted by a biscuitcompression forming device; and fourthly, baking is conducted. The bean dreg powder replaces part of the wheat flour, thus digestion of the biscuits can be delayed, aging of starch is delayed, and theshelf life of the biscuits is prolonged; the even blackberry taste is obtained by blending the blackberry juice, and the biscuits have the nutrients from blackberries; through the specially-made biscuit compression forming device, the wanted complete biscuit shape can be obtained, and the density degree and the taste of the biscuits can be controlled; and the breakfast biscuits which are rich innutrition, beneficial to intestinal health and long in shelf life are obtained.