The invention discloses a lung-moistening and yin-nourishing beverage which comprises the following raw materials in parts by weight: 4-5 parts of snow pears, 2-4 parts of lily, 2-4 parts of tremella, 2-3 parts of lotus seeds, 3-4 parts of red jujubes, 3-4 parts of rock candy, 2-3 parts of honey, 2-3 parts of ginkgo fruits, 1-2 parts of green olives, 1-2 parts of liquorice and 50-60 parts of water. A preparation method for the lung-moistening and yin-nourishing beverage comprises the following steps: boiling the snow pears, the lily, the tremella, the lotus seeds, the red jujubes, the rock candy, the ginkgo fruits, the green olives and the liquorice in the water, braising for 40 minutes with slow fire, cooling obtained juice, adding the honey, uniformly mixing, sterilizing, and filling. The lung-moistening and yin-nourishing beverage has the effects of moistening lung and nourishing yin, and is balanced in nutrition, simple and convenient to prepare, low in cost and beneficial for daily body conditioning and good body condition keeping of women.