The invention discloses a grain, citrus and
orange juice which is prepared through the following steps of: firstly, cleaning main materials and ingredients; weighting grains, i.e., rice, millet and corn according to the proportion of (8-6): (3-5): (3-1) based on the basic proportion of 10, soaking the grains in clear water for 24-26hours,
grinding the grains by using a grinder, and then, filtering out grain pulp by using a filter; respectively weighting citruses and oranges according to the proportion of (7-6): (5-6), placing the citruses and the oranges into a grinder for
grinding, filtering out citrus and
orange juice by using a filter; weighting the ingredients, i.e.,
menthol juice and condiments according to the proportion of (2-3): (1-2), uniformly stirring the ingredients by using the stirrer to form ingredient pulp; and then, weighting the grain pulp, the citrus and
orange juice,
mineral water and the ingredient pulp according to the proportion of (7-8): (5-6): (3-2): (0.4-0.3) based on the basic proportion of 100, uniformly stirring the grain pulp, the citrus and orange juice, the
mineral water and the ingredient pulp by using the stirrer, and filtering out initial grain, citrus and orange juice by using the filter, then, filling the initial grain, citrus and orange juice into a special container by using a special filling
machine, heating and sterilizing by using a cooking
machine for 45-55minutes, and then, sealing, storing and upgrading for 8-10days, wherein the obtained grain, citrus and orange juice is strong in grain fragrance and taste.