The invention provides a traditional Chinese medicine composition for treating coccidiosis in chicken. The traditional Chinese medicine composition comprises the following raw material medicines: radix sophorae flavescentis, pollen typhae, antifebrile dichroa, rheum officinale, rhizoma polygonati, acanthopanax, areca-nut, semen coicis, Chinese pulsatilla root, radix bupleuri, yellow hollyhock flower, rhizoma osmundae, camuning, lonicerae flos, saururus chinensis, golden larch bark, folium isatidis, dogwood, rainbow conk, codonopsis pilosula, pomegranate bark, azedarach and geranium wilfordii. Compared with western medicine therapy, the traditional Chinese medicine composition has the unique advantages of low drug tolerance, small drug residue, organism immunity improvement, animal organism growth prompting and the like.