The invention discloses a brewing method for fruit vinegar containing polygonatum odoratum, crab armor and date palm. The brewing method comprises the steps: utilizing fresh date palms and polygonatum odoratum as raw materials, pre-treating the raw materials, adjusting sugar degree and acidity, fermenting, mixing, blending, performing acetic fermentation, ageing, filtering, blending and packing, thereby preparing the fruit vinegar. Traditional Chinese medicine herbs, such as herb of alpine gentian, white silkworm, seed of pepperweed, sinopodophyllum hexandrum, root of farges decaisnea, root of younghusband jerusalemsage, milkvetch root, cortex berberidis, walnut seed, yam, balanophora harlandii, donkey-hide gelatin and liquorice root, are added, the nutritive values of the data palm and the polygonatum odoratum are fully utilized, and the utilized raw materials and the added traditional Chinese medicine herbs are synergistic, so that the brewed fruit vinegar not only has nutrition ingredients of the raw materials, but also has healthcare effects of moistening lung, reducing phlegm, relieving a cough and promoting the secretion of saliva or body fluid, and the brewed fruit vinegar is beneficial to health of a human body; furthermore, the preparation method is scientific and feasible, the operability is high, the finished-product fruit vinegar is auburn or light brown, the taste is mellow, sour and sweet, and vinegar fragrance and fruit fragrance coexist; the economic value is remarkable.