Babies often rub their eyes can be considered by physiological factors such as foreign body stimulation caused by pathological factors such as allergies, conjunctivitis, etc. will also be due to itchy eyes frequently rubbing the eyes. 1. When the baby’s eyes enter foreign objects such as eyelashes, dust, etc. or have inverted eyelashes, the eyes are more sensitive and will experience itchy eyes or discomfort, so they rub their eyes frequently to relieve the discomfort. 2. eye allergies due to allergic conjunctivitis and bacterial, viral and other pathogens lead to infectious conjunctivitis, there will be conjunctival congestion, conjunctival secretions, eye foreign body sensation, eye itching, photophobia, tearing and other clinical manifestations, due to the discomfort of the eyes will rub the eyes of the child. The baby often rubbing the eyes should be timely to the hospital specialist consultation, clear cause of the treatment as prescribed by the doctor, usually avoid letting the child habitually rub their eyes with their hands.