The invention discloses blood glucose reduction moringa oleifera Fu tea and a preparation method thereof, and relates to moringa oleifera Fu tea and a processing technology thereof. The blood glucosereduction moringa oleifera Fu tea is composed of tea leaves and moringa oleifera leaves which are subjected to mixed fermentation and flowering, wherein the weight ratio of the tea leaves to the moringa oleifera leaves is 100:20-28. The preparation method includes the steps of material preparing, pre-fermenting, tea juice adding, matching piling, steaming, throwing for gas removal, forming, flowering, brick steaming, rubbing for scattering, rotating sifting, fragrance extracting and packaging. The problems in the prior art are solved, the peculiar smell of the moringa oleifera leaves is removed, Fu tea soup is bright and palateful in taste, more especially, synergistic interaction of the moringa oleifera leaves and black tea is promoted, and the blood glucose reduction moringa oleifera Futea has a remarkable blood glucose reduction effect.