Abstract: Aim The oral drops of dermatophag oides farinae for the inhibition of allergy was studied. Methods The effects of the drops of de rmato phagoides farinae on the const raction of the ileum smooth muscle and the bronchoalveolar smooth muscle stimulated by antigen in g uinea pigs, and on the mastocy tedeg ranulation and the change of the vessel penet rability in rats were observed with the methods of the skull bone membrane and rat passive cutaneous anaphy laxis (PCA).Results The oral drops of dermato phagoides farinae can inhibit significantly the constration of ileum smo oth muscle and brachoalveolalr smooth muscle, the mastocyte deg ranulation, and the release of transmit ters.Conclusion The oral drops of dermato phagoides farinae has significant inhibition to allergy.It can be used to treat alle rgic asthma and other allergic disease.

Key words: dermatophagoides farinae, oral drops, allergic disease, asthma