The invention relates to crispy-skin peanuts and a processing method thereof. The invention is characterized in that the crispy-skin peanuts are prepared by using peanuts as raw materials and starch, flour, white granulated sugar, malt syrup, plant oil, salt, monosodium glutamate, sodium bicarbonate and water as ingredients and by selecting, coating, molding, baking, mixing, cooling and packaging, wherein the ingredients comprise 30 to 36 weight parts of starch, 30 to 36 weight parts of flour, 10 to 12 weight parts of white granulated sugar, 6 to 8 weight parts of malt syrup, 2 to 3 weight parts of salt, 1.5 to 2.5 weight part of monosodium glutamate, 0.6 to 1 weight part of plant oil, 0.4 to 0.6 weight part of sodium bicarbonate and a proper amount of water. The crispy-skin peanut prepared through automatic production equipment has the advantages of proper crisp degree, excellent mouthfeel and long quality guarantee period, and the processing method simultaneously has the advantages of reasonability and practicality, good effect, simplicity of operation and contribution to wide popularization.