The invention relates to the technical field of rhinitis treating medicines, and provides antiallergic rhinitis treating granules containing radix codonopsis and astragalus and a preparation method of the antiallergic rhinitis treating granules. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus comprise the following raw materials: the radix codonopsis, agrimonia pilosa ledeb, honeysuckle, radix scutellariae, dandelion, folium isatidis, the astragalus, radix angelicae dahuricae, mint, asarum and lactose. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus are prepared by a Chinese herba preparation technology, have certain antiallergic and anti-inflammatory effects, are used for treating acute rhinitis, chronic rhinitis and allergic rhinitis, take effect quickly, are not irritant, do not cause dependence, have lasting efficacy, can be orally taken without taboo, and provide pharmacology basis for treatment of the allergic rhinitis. The comprehensive index of the antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus is obviously higher than that of a pharmaceutical preparation. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus are Chinese herba preparations which can effectively act on the acute rhinitis, the chronic rhinitis and the allergic rhinitis, have vast potential for further development, and have special significance on qualitative leap of treatment of the acute rhinitis, the chronic rhinitis and the allergic rhinitis.