The invention relates to a traditional Chinese medicine composition for treating fox raccoon dog distemper. The traditional Chinese medicine composition is prepared by ephedra, cassia twig, almonds, liquorice, fagopyrum cymosum, gypsum, ophiopogon, pinellia ternate, ginseng, date, root-bark of tree peony, radix puerariae, fritillaria cirrhosa and asarum. The traditional Chinese medicine composition can be powder. The preparation method of the traditional Chinese medicine composition comprises the following steps: (1) selecting: selecting out all impurities, stones and metal, and removing non-medicinal parts; (2) elutriating: enabling 2-3 times of water to slowly enter medicine by using an infiltration method, so as to ensure that the medicine is infiltrated, and the water is used up; (3) drying: reducing the pressure and drying at a temperature of 40-60 DEG C until complete drying; (4) crushing: slightly crushing various components respectively and screening by using a 600-mesh screen; (5) mixing: weighing according to the weight and uniformly mixing for 10-20 minutes; (6) packaging into bags: ensuring that the weight of each bag is 100-200 g so as to obtain a finished product. The traditional Chinese medicine composition and the preparation method thereof have the benefits that the traditional Chinese medicine composition has the effects of inducing diaphoresis and relieving exterior syndrome, lifting Yang and stopping diarrhoica, clearing lung and eliminating phlegm, eliminating carbuncle and alleviating edema; the composition is a traditional Chinese medicine, is green, has no medicine residue, is safe and reliable and is one of main development directions of medicine for preventing and treating diseases in the fox raccoon aquaculture industry in future.