The invention discloses winter jujube beer and a preparation process thereof. The winter jujube beer has the nutrition and the flavor of beer, and also has the sweet winter jujube flavor, so that natural nutrition can be released between a mouth and teeth; the winter jujube beer has a gold yellow color, is crystally clear and transparent, and tastes soft, mellow, comfortable and refreshing, and all the flavors are harmonized; the original nutrition and the medicinal value of the beer are remained; furthermore, under the synergistic effect of winter jujubes and Chinese herbal raw materials such as cyrtomium fortune, eupatorium, herba portulacae, selfheal, rhizoma polygonati, rhizoma phragmitis and liquorice, the product has the health care effects of resisting fatigue, delaying aging, enhancing the immune functions of organs, benefiting qi, nourishing blood, reducing blood sugar and blood fat, soothing the nerve, assisting sleep, resisting tumor, protecting liver and the like, and is particularly suitable for people suffering from hyperlipidemia, hypertension, hyperglycemia and obesity; the technical defects that people easily fat by drinking beer, hyperlipidemia, hypertension and hyperglycemia are overcome; therefore, transformation and upgrading of the juice beer and reformation of supply-side structures are promoted.