The invention discloses a medicinal liquor for treating Bi syndromes. The medicinal liquor for treating Bi syndromes is prepared by using 50g of datura flower, 50g of cortex dictamni, 50g of Boswellia carteri, 50g of myrrh, 50g of whole worm, 18g of centipede, 10g of long-noded pit viper, 70g of safflower, 150g of Achyranthes bidentata, 150g of rhizoma gastrodiae, 25g of Manchurian wildginger, 50g of dragon's blood, 300g of prepared rehmannia root, 70g of Panax Notoginseng, 250g of Nux Vomica, 80g of Eucommia ulmoides, 70g of Radix Clematidis, 70g of Rhizoma Homalomenae, 80g of Incised Notopterygium, 80g of Radix Angelicae Pubescentis, 100g of Ligusticum wallichii, 50g of Rhododendron molle, 100g of Cuscuta chinensis Lam., 200g of white peony root, 30g of cinnamon, 100g of Radix Morindae officinalis, 50g of cassia twig, 80g of Cistanche deserticola, 70g of Peach Seed, 100g of Polygonum multiflorum Thunb, 50g of Rhizoma Cyperi, 100g of wolfberry fruit, 250g of unprepared Rhizoma Atractylodis Macrocephalae, 150g of Chinese angelica, 60g of Millettia dielsiana, 100g of Psoralea corylifolia, 100g of Radix Ginseng Rubra, 80g of Viciaamoena Fisch, 80g of Divaricate Saposhnikovia Root, 300g of yellow rice wine and 40kg of white liquor. A preparation method of the medicinal liquor comprises the following steps: roasting the above raw materials, filling the roasted raw materials into a pot, the pot is buried in soil and is taken out 24h later, and the raw materials are infused in a vessel for 3 months to prepare the medicinal liquor.