Babies always rub their eyes with their hands, may be related to eye foreign body, inverted eyelashes, allergic conjunctivitis and other reasons. 1. Foreign body in the eye: when the baby’s eye enters into the dander, dust, small flying insects, eyelashes and other small foreign bodies, it may cause the child’s eyes itchy, tingling and other uncomfortable symptoms, which will lead to the baby’s old hand rubbing the eyes. 2. Inverted eyelashes: inverted eyelashes refers to the eyelashes inverted to the eyeball, due to eyelash irritation may cause eye pain, tearing, eye redness and other symptoms, serious cases can appear corneal ulcers, the baby is always rubbing his eyes with his hands may be related to the inverted eyelashes. 3. Allergic conjunctivitis: Allergic conjunctivitis is a kind of allergic disease, may be due to the conjunctiva of the eye by the stimulation of external allergens, if the baby is allergic, after contact with suspected allergens, there will be conjunctival congestion, increased secretion, eyelid redness and swelling and other uncomfortable symptoms, so that the child can always rub the eyes with their hands. It is recommended that children with frequent eye rubbing and other discomforts should seek prompt medical attention to evaluate their condition and follow the doctor’s instructions for treatment.