Study of CM310 in Subjects With Seasonal Allergic Rhinitis

Inclusion Criteria: * Male or female aged 18-65. * Understand the study and sign the Informed Consent Form voluntarily. * Take effective contraception measures throughout the study period. Exclusion Criteria: * Used other investigational drugs. * Allergies to drugs with IL-4Rα monoclonal antibody or drug components of CM310. * Plan to participate in other studies during this clinical trial. * With malignant or benign tumors of the nasal cavity. * Other reasons the researcher believes that the subject is not suitable to participate in this study.