The invention discloses a preparation method of fruit and vegetable yoghourt balls. The preparation method comprises the following steps of A, making concentrated fruit and vegetable juice into restored fruit and vegetable juice; B, preparing
raw milk; C, performing homogenizing: putting the
raw milk obtained in the step B into a homogenizing
machine, and performing homogenizing; D, performing sterilization and cooling: performing ultrahigh-temperature instantaneous sterilization on the
raw milk homogenized in the step C; E, performing
inoculation and
fermentation: adding a yoghourt fermenting agent of which the
mass percentage is 0.15-0.2% to the raw milk obtained in the step D, and then performing
fermentation at 42-44 DEG C for 7-9h, wherein the yoghourt fermenting agent contains 50% of
lactobacillus plantarum and 50% of other
lactic acid bacteria; F, performing mixing and
ageing; G, performing stirring and
congelation; and H, after
congelation, taking out materials, performing shaping, performing
quick freezing, and then performing vacuum
freeze drying. According to the preparation method disclosed by the invention, yoghourt,
fruits and vegetables can be mutually merged, so that the fruit and vegetable yoghourt balls can have
nutrient components of
fruits and vegetables and
nutrient components of the yoghourt at the same time, and have the fragrance of the fruits and the vegetables, and the fragrance of the yoghourt at the same time, and the
appetite of human bodies is stimulated; and in addition, the fruit and vegetable yoghourt balls just melt in the mouth and are refreshing and smooth in mouth feel.