The invention discloses nutrition-enriched cooked yak meat sauce and a processing method thereof, relating to a processing method of cooked yak meat, in particular to a processing method of the cooked yak meat, which supplements calcium and vitamins in yak meet. The formula of nutrition-enriched cooked yak meat sauce comprises the raw materials of yak meat, nut meat, red bean, sweet bean, sweet sauce made of fermented flour, red pepper, colza oil, mashed garlic, ginger, gourmet powder, white sugar, pepper powder, organic acid calcium for food, vitamin A and vitamin D, wherein the nut meat is almond kernels, and the organic acid calcium for food is calcium citrate or calcium malate. The processing method comprises the steps of: preparing nut meat powder and dried yak meat, frying bechamel sauce, frying aniseed, grinding cooked main materials, and adding reinforced calsium supplement and vitamins. The nutrition-enriched cooked yak meat sauce has the function of supplementing calcium and vitamins A and D, is quite suitable for being used as seasoning for family use, snack food for travelers, and seasoning food for launch of students to enhance the sense of taste and increase appetite; in addition, the almond kernels can cover the specific smell of the yak meat.