The invention relates to the technical field of food processing, and especially relates to extruded xylitol pork jerky and a preparation method thereof. The extruded xylitol pork jerky is prepared from the following raw materials: lean pork meat, xylitol, monosodium glutamate, salt, star anises, Chinese cinnamons, five-spice powder, Chinese prickly ash, peppers, thirteen-spices, cumin seeds, cooking wine, fish juice, soy sauce, soybean oil, soybean protein powder and raw potato powder. The xylitol and the pork jerky are rationally matched in the extruded xylitol pork jerky. The extruded xylitol pork jerky is prepared by the following steps: pre-cooking the pork meat, and slicing the pre-cooked pork meat along the fibers; performing production technologies, including frying, roasting, wire-drawing and so on, so that minced cooked pork is prepared; adding hydrophilic colloid so as to adjust the water content, and then, carrying out extruding, so that the extruded xylitol pork jerky is prepared. The extruded xylitol pork jerky disclosed by the invention has natural mellow aroma of the pork, as well as aromatic and sweet flavor of the xylitol; being eaten, the extruded xylitol pork jerky produces fantastic delicious flavor, as well as rich chewy taste; and the extruded xylitol pork jerky causes no heat, and is not greasy. The produced extruded xylitol pork jerky is packed by performing the following steps: carrying out drying, dewatering and vacuum pumping, so that the extruded xylitol pork jerky satisfies fashionable demands, and has the advantages of rich nutrition, easy carrying, uniform qualities and so on.