The invention discloses a non-fried miscellaneous grain instant noodle and a production method thereof. The non-fried miscellaneous grain instant noodle comprises, by weight, 1-8% of food additives, 1.0-1.25% of gluten fortifier, 25-50% of water, 0.2-1.0% of edible oil, 5-30% of wheat flour, 5-30% of corn flour, 1-10% of corn starch, 10-30% of potato starch, 5-20% of mashed potato, 25-50% of tartary buckwheat flour, 5-25% of common buckwheat flour, 5-15% of modified starch, 2-10% of sweet potato starch, 2-10% of sweet potato powder, and 2-10% of cassava starch. The production method includes raw material weighing, mixing, paste curing and extrusion forming, long strip noodle block cooling and slicing, cooking, drying and packaging. Miscellaneous grains are adopted to serve as raw materials of the instant noodle, various human body essential nutrient substances and trace elements are contained, nutrition is reasonable and balanced, and a healthy diet idea of contemporary people is fitted; and continuous production is carried out through the adoption of a production line, work intensity of working staff is reduced, and production efficiency is promoted.