The invention discloses nutrient fresh and wet rice noodles and a preparation method thereof and relates to the technical field of food processing. The nutrient fresh and wet rice noodles are prepared from the materials: rice, fishskin, beta carotene, sweet potatoes, wax gourds, a quality improver, yolks, modified starches, sticky rice powder, mushrooms, alliin and cowhells. The technical process is as follows: A, material preparation; B, material pretreatment: a, cowhell pretreatment, b, wax gourd pretreatment, c, fishskin pretreatment, d, sweet potato pretreatment, e, mushroom pretreatment and f, rice pretreatment; C, noodle making: a, primary material mixing, b, flour steaming, c, secondary material mixing, d, flour fermentation, e, forming and f, stewing. The nutrient fresh and wet rice noodles have the characteristics of rich nutrition, good mouthfeel, delicious taste, health-protection effect and the like, can be made into fried noodles and soup noodles and are suitable for people of all ages.