Young children always rub their eyes, usually due to inverted eyelashes, eye infections, eye allergies and other reasons. 1. Inverted eyelashes: When the child has inverted eyelashes, the eyelashes will scratch the cornea, causing a foreign body sensation in the eye, and the patient will feel as if there is sand in the eye, so the symptoms of always rubbing the eyes, you can pull out the inverted eyelashes or do the eyelid entropion corrective surgery to treat the symptoms. 2. Eye infections: If children do not pay attention to eye hygiene, rubbing their eyes with dirty hands may cause eye infections such as infectious conjunctivitis, under the stimulation of inflammation, patients may have a foreign body sensation in the eyes, which causes children to rub their eyes frequently. 3. Eye allergy: If allergic patients encounter allergens, such as hair, dust, willow, etc., may trigger an allergic reaction, resulting in itchy eyes, the child will also appear to rub their eyes. It is recommended that patients with frequent eye rubbing and other discomforts consult a doctor to evaluate their condition and follow the doctor’s instructions for treatment.