Near-wild fresh dendrobium officinale, rhizoma polygonati and Chinese wolfberry fruit original liquid recipe and preparation method thereof

The present invention provides a near-wild fresh dendrobium officinale, rhizoma polygonati and Chinese wolfberry fruit original liquid recipe and a preparation method thereof. The near-wild fresh dendrobium officinale, rhizoma polygonati and Chinese wolfberry fruit original liquid comprises the following raw materials in parts by weight: 45-55 parts of near-wild fresh dendrobium officinale, 10-18 parts of by rhizoma polygonati, 8-15 parts of Chinese wolfberry fruits, 3-5 parts of grapefruit powder, 5-10 parts of oligofructoses, 0.1-0.3 part of stevioside, 0.3-0.5 part of citric acid and 30-45 parts of purified water. The preparation method of the recipe is as follows: fresh extracting: the near-wild fresh dendrobium officinale is subjected to steaming and sterilizing, the sterilized dendrobium officinale is subjected to an ultrafine grinding using a grinder, the ground dendrobium officinale is subjected to suction filtration at 200 meshes, and the filtrate is prepared for standby application; extracting and c