The invention discloses a Semen Euryales vermicelli and its making method, and relates to the technical field of food processing. The Semen Euryales vermicelli is characterized in that the Semen Euryales vermicelli comprises, by weight, 30-40 parts of Semen Euryales starch, 50-60 parts of potato starch, 3-6 parts of konjak powder, 3-6 parts of Smilax scobinicaulis C.H. Wright powder, 5-10 parts of a water extract of Lycium Chinense, 1-1.5 parts of rapeseed oil and 0.5-1 part of salt. The making method comprises the following steps: 1, mixing Semen Euryales starch with the Smilax scobinicaulis C.H. Wright powder, the konjak powder and the potato starch according to the above corresponding weight parts, and filtering to remove impurities in order to obtain mixed starch; 2, mixing the water extract of Lycium Chinense with the rapeseed oil, salt and the mixed starch, sending the obtained mixture to a kneader, and kneading for 30-60min; and 3, pumping the above vermicelli making raw material into a sheet jelly making machine, and making sheets. The vermicelli made in the invention has abundant nutrition, has the efficacies of yin nourishing, yang strengthening, middle warmer strengthening, qi tonifying, energizing, spirit raising, kidney reinforcing, noctural emission controlling, spleen invigorating and leak stopping, and has the characteristics of smoothness, tenders, tastiness and delicious taste.