Rubbing baby’s eyes may be caused by foreign objects entering the eyes, conjunctivitis or trichiasis. 1. Foreign objects entering the eyes: when sand or dust and other foreign objects enter the baby’s eyes, it will cause irritation to the eyes and lead to a foreign body sensation, in which case the baby will always rub his eyes. 2. Conjunctivitis: Conjunctivitis can be induced by bacterial infection, and the inflammation will cause irritation to the eyes causing pain and dryness and other discomforts, and then the baby will also rub his eyes to relieve the above symptoms. 3. Inverted eyelashes: Some babies’ eyelashes may grow towards the inside of the eye and cause inverted eyelashes, which will also cause irritation to the eyes, and appear the performance of rubbing the eyes all the time. Babies rubbing their eyes all the time may also be caused by visual fatigue or allergies, etc. It is recommended that patients go to the hospital in time to choose the appropriate method of treatment.