The present application provides a new use of
ganciclovir for treating, alleviating and / or relieving non-allergic rhinitis characterized by
eosinophilia. The present application research shows that the use of
ganciclovir in the treatment of nasal
allergic symptoms in NARES patients is obviously relieved, and the originally poor
efficacy of anti-allergic drugs can be re-exerted, effectively and durably improving the nasal symptoms of
refractory NARES patients, effectively improving the symptoms of rhinitis.