Itchy eyes and nose are mostly considered to be caused by allergies, and secondly, it may also be caused by mite infection. 1. Allergy: itchy eyes and nose are generally considered to be allergic conjunctivitis and allergic rhinitis, which require anti-allergy treatment, and can be applied to anti-allergy eye drops, such as azelastine hydrochloride eye drops. Eye drops containing glucocorticoids can also be applied to relieve eye symptoms, such as tobramycin dexamethasone eye drops. Also avoid contact with allergens. 2. Mite infection: mites on the eyelids can also cause itchy eyes, and attention should be paid to cleanliness and hygiene, for mite infection, drugs such as metronidazole can be used to treat it. Itchy eyes and nose, when the symptoms continue to be unable to relieve, it is recommended to consult a doctor for examination, treatment and medication under the guidance of a doctor, do not self-medication.