Dendrobium candidum wall.ex lindl lozenge and preparation method thereof

The invention discloses a dendrobium candidum wall.ex lindl lozenge and a preparation method thereof. The preparation method comprises the following steps: (1) performing superfine grinding on dried dendrobium candidum wall.ex lindl to obtain dendrobium candidum wall.ex lindl superfine powder; (2) adding water to pulp fresh dendrobium candidum wall.ex lindl so as to obtain a dendrobium candidum wall.ex lindl juice, wherein the ratio of the fresh dendrobium candidum wall.ex lindl to water is (25-150)g:1000ml; (3) weighing the dendrobium candidum wall.ex lindl superfine powder and the dendrobium candidum wall.ex lindl juice according to a ratio of (1500-4000)g:1000ml, and mixing uniformly to obtain a soft material; (4) performing granulation, drying, tabletting and sterilization on the obtained soft material to obtain the lozenge. According to the preparation method disclosed by the invention, the dendrobium candidum wall.ex lindl juice is used as an adhesive and a wetting agent at the same time, and the lozenge can be prepared without adding auxiliary agents of other adhesives and wetting agents, so that the characteristics that the obtained product is green, healthy (without any organic solvent residues) and additive-free can be effectively ensured, and the production cost is greatly reduced because alcohol is avoided from being used as a wetting agent.