The invention discloses healthcare liquor brewed by adopting lamb as a main material and a preparation method thereof. The healthcare liquor is prepared from 30-33% of sticky rice, 7-8% of lamb, 7-8% of red dates, 7-8% of medlar, 0.8-1% of almonds, 0.1% of fructus amomi, 0.1% of elecampane, 0.3% of mulberries, 0.08% of poria cocos, 0.3% of Chinese yam, 4-5% of snow pears, 0.08% of molds, 24-26% of high-quality baijiu, 0.3% of spina date seeds, and 12-15% of water. The preparation method comprises the steps that the sticky rice is shelled, washed, soaked, burnt and cooked, meanwhile, water is added, cooling is performed, cylinder falling and saccharifying are performed, and fungal fermentation is performed; the red dates, the almonds, the fructus amomi and other raw materials are added; cylinder sealing is performed, meanwhile, the baijiu is added for brewing, squeezing and baijiu cooking are performed, and then blending, inspection, filtering, sterilization, bottling and finished product forming are performed. The nourishing raw materials are abundant, the technology is unique, the nourishing materials can be easily absorbed by a human body, and the high nutrition and healthcare value is achieved.