The invention discloses a stuffed baking pita cake and a preparation method thereof, which comprises a cake embryo and stuffing. The cake embryo comprises, by weight, 30-50 parts of eggs, 15-30 parts of white sugar, 20-35 parts of pastry flour, 0.5-5 parts of edible vegetable oil, 1-5 parts of powdered milk, 1-10 parts of exclusive modifying agent for baking pita cakes, 0.5-3 parts of cake oil, 1-5 parts of D-sorbitol solution, 1-3 parts of glycerol, 0.1-0.5 part of salt, 0.01-0.3 part of preservative, 0.02-0.07 part of citric acid and 0.05-0.5 part of edible flavor. The preparation method comprises the steps of premixing raw materials, stirring, dispensing, distributing pulp, baking cakes, stripping and cooling, cutting the cakes, injecting the stuffing and compression moulding and the like. According to the stuffed baking pita cake, the style of the cake is novel, moreover, the cake is filled with different flavors of jam, greatly enriching its taste and nutrition, the cake tastes moist and elastic, storage life can be up to one month, and the cake can attract consumers easily and has a broad market prospect.