The invention provides a medicine for treating infectious rhinitis of chicken. The medicine is prepared from herba schizonepetae, divaricate saposhnikovia roots, radix angelicae, herba leonuri, dark plums, polyporus umbellatus, cocklebur fruits, magnolia flowers, radix platycodi, wrinkled gianthyssop herb, herba eupatorii, mulberry leaves, cordate houttuynia, radix scutellariae, liquorice roots, Trichosanthes kirilowii Maxim, rhizoma cimicifugae, fructus chebulae and liquor-processed coptidis rhizoma. According to the relation between chicken noses and lungs, spleens, guts and kidneys, fundamentally, the lungs and the spleens are warmed, colds are evacuated, the spleens are invigorated, qi is supplemented, and therefore the purposes of relieving exterior syndromes and reducing phlegm, relieving sore throats, relieving stuffy noses and freeing orifices, removing stagnation and removing stasis, subsiding swelling and stopping pain and completely curing infectious rhinitis of chicken and chronic rhinitis and nasosinusitis of chicken are achieved. The medicine is reasonable in formula, the raw materials are easy to obtain, feeding is convenient, the treatment effect is remarkable, effect taking is rapid, and no relapse occurs. Compared with western medicine, no side effect exists, and no residue exists; diseases can be cured after the medicine is eaten by sick chicken, after the medicine is eaten by disease-free chicken, the medicine can achieve the prevention effect, the immunity of chick bodies can be improved, the diseases are resisted, and the chicken are prevented from being infected with diseases; the preparation process is simple, processing is convenient, and industrial production is easy.