The invention relates to a medicine for treating allergic rhinitis, which takes radix astragali, divaricate saposhnikovia root, atractylodes rhizome, grass leaf sweelflag rhizome, cocklebur fruit, angelica root, Chinese angelica, szechuan lovage rhizome, cassia twig, radix paeoniae alba, gizzard-membrane of chicken, large-leaved gentian, rhizoma atractylodis, amur corktree bark, tuckahoe, chrysanthemum and liquorice as raw materials; the raw materials are added with water and decocted to be concentrated into thick paste; after that, the thick paste is dried and ground, and then is filled intocapsules; finally, after being sterilized, the capsule product can be prepared. The medicine has the functions of warming lung and tonifying spleen, eliminating evils and activating organs as well asactivating blood circulation to dissipate blood stasis, is used for treating the allergic rhinitis with reliable, rapid and convenient treating effect, is safe to take, and has the total effective rate of 96.9% through clinical observation.