The invention relates to coarse cereal rice noodles capable of improving blood vessels, resisting aging and reducing blood fat. The rice noodles are characterized by being produced by the following steps: firstly, subjecting raw materials of polished long-grained non-glutinous rice, glutinous rice, oat and corn to cleaning, soaking and pulverizing so as to obtain coarse cereal powder; then subjecting soybeans to degreasing, extraction, gelling, sterilization and spray drying so as to obtain soybean protein powder; and finally, mixing the coarse cereal powder, the soybean protein powder, guar gum, sodium alginate and other auxiliary agents, and conducting moisture adjustment, steaming for curing, noodle extrusion, re-steaming, washing, draining and air drying so as to obtain the coarse cereal rice noodles capable of improving blood vessels, resisting aging and reducing blood fat. The rice noodles are prepared from the raw materials of the polished long-grained non-glutinous rice, the glutinous rice, the oat and the corn, have the efficacy of diet therapy, health care and health preserving, have the characteristics of usage as both medicine and food, and have high popularization andapplication value and very large market potential.