The invention relates to the field of food and its processing, in particular to a fermented pomegranate ebony extract and a preparation method thereof, which comprises 30-60 parts of pomegranate, 10-30 parts of ebony, 2-10 parts of passion fruit, and a water-soluble sugar-type compound 2-20 parts, 1-5 parts of rose, 1-5 parts of roselle, 1-5 parts of sweet-scented osmanthus, and 1-5 parts of lotus leaf. The fermented pomegranate ebony extract of the present invention scientifically combines pomegranate, ebony, passion fruit, sweet-scented osmanthus and other flowers and fruits together, so that the taste is richer and the flavor is rich; the compounding of several flowers and fruits can fully supplement the needs of the human body. Nutrients can enhance human immunity, and have health benefits such as invigorating the middle and replenishing qi, astringing the lungs and promoting body fluid, detoxifying beauty, anti-aging, and lowering blood pressure. At the same time, its production method is scientific and reasonable, and has a wide range of application and food value.