Itchy eyes in spring may be caused by allergic conjunctivitis. Stimulation of various spring flowers blooming pollen, sycamore tree flakes, dust, cosmetics, contact lenses, animal hair, cotton and linen products and other factors can lead to allergic reactions in the eyes of patients with allergies, such as allergic conjunctivitis, in the inflammation stimulation, the patient may appear itchy eyes and other symptoms. Allergic conjunctivitis patients may also experience photophobia, tearing, conjunctival congestion, filamentous discharge from the eyes, eyelid swelling and other uncomfortable symptoms, and even sneezing and runny nose. Spring allergy sufferers should minimize going out, rub their eyes less, and strengthen exercise and physical fitness. Allergic conjunctivitis patients are advised to consult a doctor promptly to assess their condition and follow the doctor’s instructions for treatment.