Fermented walnut milk and preparation method thereof

The invention relates to the field of fermented beverages, in particular to fermented walnut milk and a preparation method thereof. The preparation method of the fermented walnut milk provided by the invention comprises the following steps: mixing walnut slurry, a first compound stabilizer solution and a carbon source solution, stirring and shearing to obtain homogenized slurry; fermenting the obtained homogenized slurry, shearing after fermentation, and homogenizing to obtain primarily fermented walnut slurry; mixing the primarily fermented walnut slurry with a second compound stabilizer solution, and homogenizing after sterility to obtain the fermented walnut milk, wherein a first compound stabilizer in the first compound stabilizer solution is prepared from the following raw materials: D-sodium erythorbate and gellan gum; a second compound stabilizer in the second compound stabilizer solution comprises the following raw materials: pectin, agar and soybean polysaccharide. The preparation method of the ferme