The invention discloses a traditional Chinese medicine composition for treating bird flu and a preparation method therefor. The traditional Chinese medicine composition comprises the following ingredients, by weight, 15-30 parts of honewort, 10-25 parts of scutellaria baicalensis, 20-30 parts of honeysuckle flowers, 10-20 parts of fructus forsythia, 20-25 parts of isatis roots, 15-30 parts of gypsum, 20-30 parts of kudzuvine roots, 10-20 parts of perilla leaves, 10-15 parts of balloonflower roots, 10-20 parts of Chinese yam, 5-15 parts of licorice, and 5-15 parts of gynostemma pentaphylla. The traditional Chinese medicine composition has functions of heat clearing, detoxifying, blood cooling, sore throat relieving, inflammation diminishing, pain relieving, cough relieving, phlegm eliminating, excitement tranquilizing and allaying, benefit supplementing, body strengthening, anti-virus, body immunity enhancing and the like. The traditional Chinese medicine composition has rapid treatment effects on rising of body temperature, lassitude, loss of appetite, dyspnea, decrease of egg production, shallow eggshell color, soft eggshells, increase of abnormal-shape eggs of fowls. The curative effects are exact, reliable and true. The traditional Chinese medicine composition is innocuous and unpoisonous to fowls, and is safe and reliable. During clinical usage, no any untoward effect of fowls is observed, and the composition is safe in clinical usage.