Babies always rub their eyes, related to eye itching or discomfort, consider with trachoma, conjunctivitis or allergies and other causes. 1. Trachoma: chronic infectious conjunctival keratitis caused by Chlamydia trachomatis infection, spread through direct contact or indirect contact with pollutants, young children infected with trachoma, symptoms are insidious, can be relieved on their own, but there can be itching, foreign body sensation in the eye, photophobia, tearing and other manifestations. 2. Conjunctivitis: without timely attention to the baby’s hand hygiene, rubbing the eyes can be bacteria invasion of the eye, causing ocular conjunctivitis, the child has a sense of eye irritation, congestion, morning eyelid margin secretion and other manifestations. 3. Allergy: especially in the spring, the baby’s eye contact with plant pollen, can cause eye allergic diseases, manifested as itchy eyes, foreign body sensation, burning sensation, tearing and mucus secretion, detachment from the allergen symptoms can be relieved. Parents pay attention to avoid letting babies rub their eyes frequently, in the discovery of eye congestion, discharge more, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for treatment.