The invention belongs to the technical field of dairy products, and in particular, relates to a moringa oleifera yogurt and a preparation method thereof, wherein preparation raw materials of the moringa oleifera yogurt comprise the following components: milk, a moringa oleifera leaf ultra-fine powder, white granulated sugar, beta-cyclodextrin and a yogurt fermentation agent; according to the solid-to-liquid ratio with the milk, the content of the moringa oleifera leaf ultra-fine powder is 15.5-17 g / L, the content of the white granulated sugar is 88-96 g / L, the content of the beta-cyclodextrin is 128-133 g / L, and the content of the yogurt fermentation agent is 0.97-1.05 g / L. The moringa oleifera yogurt provided by the invention has good organization form, has a solidified tofu shape, is elastic, has the advantages of delicate and lubricant mouthfeel, no particular feeling, good flavor, harmonious milk flavor and moringa oleifera faint scent, and no bitter or pungent taste, and is natural and soft. At the same time, the moringa oleifera yogurt provided by the invention has no addition of preservatives, and only has addition of one food additive, namely beta-cyclodextrin; the prepared moringa oleifera yogurt has the advantages of outstanding flavor, good mouthfeel and rich nutrition, and meets public demands.