The invention discloses medicinal liquor for treating rheumatic arthritis and chronic infectious arthritis, which comprises the following raw materials in parts by weight: 33-38 parts of Chinese parsnip root, 8-13 parts of asarum, 28-33 parts of the root of bidentate achyranthes, 28-33 parts of ligusticum sinense oliver, 28-33 parts of notopterygium root, 28-33 parts of radix angelicae pubescentis, 23-28 parts of prepared monkshood, 28-33 parts of cassia twig, 28-33 parts of pawpaw, 28-33 parts of radix clematidis, 28-33 parts of cortex acanthopanacis, 28-33 parts of semen coicis, 28-33 parts of corydalis tuber, 28-33 parts of large-leaved gentian, 4-9 parts of long-noded pit viper, 28-33 parts of the root of fangji, 28-33 parts of rhizoma typhonii, 28-33 parts of ligusticum wallichii, 28-33 parts of zaocys dhumnade, and 7000-8000 parts of 50-60-degree white wine. The medicinal liquor disclosed by the invention has the advantages of being low in cost, high in curative rate and free from toxic and side effects; stimulation of the existing medicines on gastric mucosa is overcome; simultaneously, the medicinal liquor disclosed by the invention also has the functions of tonifying liver and kidney.