The invention discloses purple rice row-shaped rice noodles and a preparation method thereof. Milled long grain nonglutinous rice and purple rice are mixed in the weight ratio of the milled long grain nonglutinous rice to the purple rice being (6-8) to (1.5-2.5) to be used as raw materials, and the row-shaped rice noodles are made through technological flows of selecting materials, performing soaking, performing 
grinding to obtain pulp, performing 
dehydration, 
steaming flour, performing 
extrusion to obtain rice noodle strips, performing strip squeezing, performing cooling, performing 
cutting, performing 
steaming once again, performing baking, performing shaping and the like. Compared with a method for making ordinary row-shaped rice noodles, the preparation method disclosed by the invention has the advantages that the purple rice (
brown rice) is added in the respect of selection of the raw materials, so that certain 
specialty is obtained during making, the 
processing technology is complex, the technical requirements are high, and the made row-shaped rice noodles are light purple, moistening and transparent in noodle strips, in bar-shaped side-by-side arrangement, rich in rice fragrance, free from acid smell, moldy smell and other peculiar smell, uniform in thickness of rice noodle strips, and free from strip drawing; after the rice noodles are cooked and rehydrated, the soup is not pasty, the rice noodles seldom break, and the rice noodles have the characteristics of being soft, smooth, pliable, tough and refreshing in mouth feel, free from sticking to teeth and the like, and also have the advantages of being rich in 
nutrition, unique and attractive in appearance, good in mouth feel and the like.