The invention relates to preserved donkey meat and a preparation method thereof. Donkey meat is taken as the raw material of the preserved donkey meat, and the preserved donkey meat is prepared from the donkey meat, 2-8 parts by weight of sugar, 2-6 parts by weight of salt, 2-6 parts by weight of honey, 2-8 parts by weight of aginomoto, 2-6 parts by weight of eggs, 2-7 parts by weight of fish sauce, 2-6 parts of parts by weight of sodium isoascorbate, 1-5 parts by weight of spice and 0.1-0.2 part by weight of zinc. The preparation method actually comprises the steps: cutting pickled meat loafs into slices, cooking after rolling, next, freezing the meat slices, slicing, roasting, packaging and sterilizing to obtain the preserved donkey meat. The optimal preparation process is obtained after a plurality of researches; on one hand, the nutrition of the preserved donkey meat can be guaranteed, and on the other hand, the instant food which can be conveniently eaten by consumers also can be obtained; besides, the raw material of the preserved donkey meat is the two-high and two-low donkey meat, and therefore, the preserved donkey meat has higher nutritive value than those of dried beef and dried pork, is convenient to eat and meets the requirements of people on high-nutritive preserved meat.