The invention discloses a preparation method for a passion fruit juice beverage and relates to the technical field of food processing. The preparation method comprises the following steps: cleaning picked passion fruit; squeezing the whole fruit; separating and roughly filtering with a stainless steel mesh, thereby acquiring raw juice (cryopreserving raw juice and standing by); adding purified water and ingredients and blending, wherein the ingredients include white granulated sugar, honey, fructo-oligose, D-sodium erythorbate and sodium carboxymethylcellulose, and ratio of ingredients to rawjuice to water is at (9-11):(15-17):(72-75); blending and then filtering, homogenizing, sterilizing and filling; covering, turning over a can, spraying the code, turning over the can again, spray-cooling, detecting inner pressure, airing and putting into storage. Compared with the prior art, the NFC juice prepared according to the invention has the advantages that damage to juice fragrance, colorand nutrient substances is less, content of raw juice in the end product is above 15%, fruity fragrance is strong, no essence or pigment is added, ratio of acid to sugar is moderate, juice tastes niceand inherent flavor of passion fruit is kept.