Composition for treating and preventing rhinitis

The invention relates to a composition for treating and preventing rhinitis and a preparation method thereof. The composition is prepared from collagen, physiological seawater and a traditional Chinese medicine extracting solution, wherein the traditional Chinese medicine extracting solution is obtained by extracting centipeda minima, radix angelicae, asarum, biond magnolia flower, wormwood, grape seeds, star anise and camellia seeds with water. The composition has good biocompatibility and broad-spectrum antibacterial activity, can inhibit and prevent bacterial infection of nasal mucosa or submucosal tissues, can form a layer of protective film on the surface of the nasal mucosa, forms a physical barrier, can repair damaged tissues, reduces pain, and has a good application prospect. The traditional Chinese medicine composition has good auxiliary treatment and prevention effects on allergic rhinitis, acute and chronic rhinitis, nasal obstruction, nasal pain, dry and itching nose, rhinorrhea, nasosinusitis and