The invention discloses a hunger-resistant noodle and a preparation method thereof. The noodle is composed of the following raw materials in parts by weight: 70 to 80 parts of flour, 30 to 40 parts of white kidney bean, 50 to 60 parts of buckwheat, 10 to 15 parts of houseleek, 20 to 30 parts of water caltrop, 20 to 30 parts of grape, 20 to 25 parts of mushroom, 30 to 40 parts of milk, 5 to 6 parts of white sugar, 1 to 2 parts of philippine flemingia root, 1 to 2 parts of fish pelargonium, 1 to 2 parts of pseudo-ginseng, 1 to 3 parts of caulis clematidis armandii, 1 to 2 parts of noodle modifier, and a proper amount of water. Flour, white kidney bean, and buckwheat are taken as the main raw materials to produce the hunger-resistant noodle, so that the noodle has a palatable taste, and a hunger-resistant function. The white kidney bean has the functions of warming the middle, depressing qi, benefiting the intestines and stomach, stopping hiccup, tranquilizing, and tonifying the kidney and primordial qi; buckwheat has the functions of invigorating stomach, removing food retention, reducing blood pressure, and promoting stomach and intestine peristalsis; houseleek has the functions of clearing heat, removing toxicity, reducing blood sugar, discharging uric acid, removing uric toxin, promoting metabolism, maintaining beauty, and keeping young; and water caltrop has the functions of inducing dieresis, promoting lactation, tonifying qi, invigorating spleen, relieving diabetes symptom, preventing cancer, and removing alcoholic toxin.