Itchy eyes in spring may be caused by allergic conjunctivitis or spring keratitis. 1. Allergic conjunctivitis: it is a seasonal conjunctivitis, the increase of pollen in the spring, in addition to the dry air and the increase of willow flakes, etc. have a certain relationship, which means that in the spring there are allergens that cause eye allergies, the patient after contact with the allergens, it will show obvious eye discomfort symptoms, including itching eyes, the white of the eyes red, and tears, etc.. 2. Spring Keratitis: Spring keratitis is usually a seasonally related disease. It usually occurs during specific seasons. Some allergy sufferers are especially prone to spring keratitis, which can cause abnormalities such as itchy, painful eyes and increased discharge. Patients with itchy eyes in spring should go to the hospital in time to find out the allergens and the causes of the disease, and carry out targeted treatment under the guidance of a professional doctor, and at the same time need to stay away from allergens.