The invention relates to a beverage which comprises the ingredients of red jujube, hawthorn, medlar, lotus seed, lily, chrysanthemum tea, ebony, longan, white sugar and water. The parts by weight of the ingredients are 35 to 200 parts of red jujube, 15 to 100 parts of hawthorn, 1 to 80 parts of medlar, 6 to 100 parts of lotus seed, 5 to 90 parts of lily, 10 to 120 parts of chrysanthemum tea, 1 to60 parts of ebony, 1 to 60 parts of longan, 100 to 400 parts of white sugar, and 2000 to 6000 parts of water. The following steps for preparing the beverage are included: firstly putting the red jujube, the hawthorn, the medlar, the lotus seeds and the ebony into the 2000 to 6000 parts of cold water to be soaked for 30 to 50 minutes, adding the lily, the chrysanthemum tea and the longan thereto, boiling the mixture to 2 / 5 to 3 / 5 of the original volume; adding water to resume the original volume, stewing the mixture again to 3 / 5 of the original volume, adding water again to resume the originalvolume, repeating the process for 3 times, boiling, adding the white sugar, canning, putting the beverage into a pressure cooker for sterilization at the temperature of 110 to 120 DEG C, cooling and packaging. The invention further provides a method for preparing the beverage. The beverage not only has the functions of quenching thirst and keeping health, but also provides relatively comprehensive nutrition.