The invention discloses rosa roxburghii tratt lung-moistening health-care wine and preparation method thereof. The rosa roxburghii tratt lung-moistening health-care wine is prepared from the following raw materials in parts by weight: 80 to 100 parts of rosa roxburghii tratt, 30 to 50 parts of polished glutinous rice, 10 to 15 parts of dry sweet potato powder, 5 to 7 parts of aspergillus oryzae culture liquid, 5 to 7 parts of rhizopus oligosporus culture liquid, 10 to 15 parts of active dry yeast culture liquid, 10 to 20 parts of pectinase, 10 to 20 parts of cane sugar, 5 to 12 parts of honey and 5 to 100 parts of water. The preparation method comprises the following steps: (1), weighing and taking the raw materials; (2), processing the raw materials; (3), preparing rosa roxburghii tratt juice; (4), performing fermentation; (5), performing clarification; (6), performing cold treatment; (7), performing sterilization and filling. The rosa roxburghii tratt lung-moistening health-care wine prepared by brewing the rosa roxburghii tratt juice, the polished glutinous rice and the dry sweet potato powder is easily absorbed nutrient health-care wine, and has natural health-care functions of preventing and curing gout, clearing away the lung-heat, moistening lung, improving sub-health and the like if being drunk for a long term; the rosa roxburghii tratt wine is clear in wine body, mellow in vinosity and excellent in both taste and color.