The invention discloses crab spawn flavored shelled melon seeds and a preparation method thereof. The crab spawn flavored shelled melon seeds are prepared from, by weight, 40-50 parts of sunflower seeds, 15-20 parts of plant oil, 10-20 parts of glutinous rice flour, 2-10 parts of low-gluten flour, 2-10 parts of modified starch, 2-10 parts of maltodextrin, 2-10 parts of corn starch, 10-20 parts of white granulated sugar, 2-10 parts of crab spawn flavored seansoning (crab spawn powder), 0.1-2 parts of edible essence, 1-2 parts of ammonium bicarbonate, 0.1-1 part of disodium 5'-ribonucleotide, 0.01-0.02 part of tert-butylhydroquinone and a proper amount of water. The crab spawn flavored shelled melon seeds have the advantages that the melon seeds are not likely to be burnt by frying, and are unique in taste, not prone to nutritional ingredient losses and abundant in nutrient.