How a juice beer is prepared with fruit juice and malt juice through fermenting by beer yeast under lower temperature is in troduced in the paper. The results show that the fruit - juice- to- malt - juice ratio of 6: 1 is ideal, and that alcohol 3 % (V / V),sugar 5.5°Bx and pH 4.4 in the formulation of fermenting liquid can help to obtain pleasant flavour in the final products.