The invention provides pueraria vermicelli and preparation technology thereof, and belongs to the technical field of convenient foodstuff-rice-noodle. The pueraria vermicelli is characterized by comprising the following ingredients in percentage by weight: 10 to 50 percent of pueraria vermicelli, 5 to 10 percent of edible starch, and 85 to 40 percent of rice meal. The pueraria vermicelli is prepared by the following steps of: immersing rice, grinding into powder, adding pueraria powder and starch, stirring, self-ripening and extruding, aging, cutting, forming, drying, adding an ingredient bag and packaging and obtaining a finished product. The pueraria powder, in the invention, serves as one of the main raw materials, and the preparation technology is employed, so the prepared pueraria vermicelli has all the nutrient components, such as puerarin, soybean flavonoid nucleoside, TCBA, protein, amino acid, sugar and the like, and mineral substances necessary for human, such as Ferrum, calcium, copper, selenium and the like, which are contained in the pueraria powder; therefore, the invention can greatly enrich the nutrient components of the rice noodle and further improve the flavor and the taste of the rice noodle.