The invention relates to purple potato health noodles which are characterized by being prepared from the following components in parts by weight: 70-75 parts of wheat meal, 8-12 parts of fresh purple potatoes, 3-8 parts of soybean cakes, 3-8 parts of oat powder, 3-8 parts of lotus seeds and 1.5-2.5 parts of edible salt. The health noodles disclosed by the invention are prepared from the wheat meal, the purple potatoes, the soybean cakes, the oat powder, the lotus seeds and the edible salt at a fixed ratio; the purple potatoes, the soybeans, the oat and the lotus seeds are natural plant raw materials which are free from any additive and are simple and reasonable in ratio; functions of the raw materials supplement each other; the noodles prepared well preserve effective ingredients of the wheat, the purple potatoes, the soybeans, the oat and the lotus seeds, and are rich in nutrition and easy to digest; the noodles have the characteristics of being abundant in nutrition, reasonable in ingredient coordination, low in cost, simple in production process, delicious in taste, and tasty and smooth, and has functions of enhancing immunity, reducing blood pressure, lowering cholesterol, benefiting heart and tonifying kidney, tonifying spleen and checking diarrhea, controlling nocturnal emission and calming nerves, preventing cancers, tonifying spleen and benefiting qi, and clearing away heat and toxic materials; moreover, the noodles can avoid harm on other parts of human body after long-term eating, and have extremely strong disease-resisting and health effects.