The invention provides a nutrient noodle and a preparation method thereof. The invention is characterized in that coarse food noodle and fine food noodle are internally packed with a meat product to form into the meat-noodle integrated nutrient noodle, wherein the coarse food noodle and the fine food noodle comprise the following components in percentage by weight: 40-50% of wheat flour, 20-30% of corn flour, 10-15% of pumpkin flour, 5-15% of bean flour, 5-15% of potato flour, 5-8% of buckwheat flour, and 5-10% of peanut flour; and the meat product comprises the following components in percentage by weight: 60-70% of meat, 5-10% of starch, 5-10% of rice flour, 10-15% of wheat flour and 8-12% of onion. The nutrient noodle not only has the special nutrition constituents, such as the dietaryfiber, the carbohydrate, the mineral matter, the vitamin and the like, of the coarse food and the fine food, but also has the nutrients, such as the protein, the fat and the like, of the meat, thereby being a delicious food which ensures meat-vegetable and coarse-fine collocation. People can get at least three foods such as the coarse food, the fine food and the meat, so that the meat-vegetable and coarse-fine collocation requirements can be met, the nutrition constituents gotten by the people can be comprehensive and diversified, and the unique flavor and mouthfeel of the nutrient noodle canbe enjoyed simultaneously; and the nutrient noodle is free of any chemical additive, environmental-friendly and natural, so that the appetite of the people can be improved.