Bifidobacterium infantis coconut juice fermentation product, product containing same, and preparation and application thereof

The invention provides a bifidobacterium infantis coconut juice fermentation product, a product containing the same, and preparation and application of the bifidobacterium infantis coconut juice fermentation product. The preparation method of the Bifidobacterium infantis coconut juice fermentation product comprises the following steps: inoculating a fermentation substrate with Bifidobacterium infantis, and carrying out fermentation culture, sterilization and centrifugation to collect a supernatant, so as to obtain the Bifidobacterium infantis coconut juice fermentation product. Wherein the fermentation substrate comprises coconut juice. The coconut juice is fermented through specific types of microorganisms, the application field of the coconut juice is widened, the blank of application of the coconut juice in the field of cosmetics is filled up, and the coconut juice which has the anti-oxidation effect, the whitening effect, the anti-inflammatory effect and the cell metabolism renewal improving capacity at t