Infants keep rubbing their eyes can be caused by physiological factors such as sleepiness or irritation by dust, eyelashes and other foreign objects, or by allergic conjunctivitis, trichiasis and other disease factors. 1. Physiological factors: infants often rub their eyes all the time when they are sleepy. In addition, dust, eyelashes and other foreign objects falling into the eyes will irritate the baby’s eyes and cause itching, which will make the child appear to keep rubbing his eyes. These are transient and can return to normal after removing the trigger. 2. Allergic conjunctivitis: babies are allergy-prone, the conjunctiva in the external allergens such as pollen, dust and other stimuli, resulting in a hypersensitivity reaction triggered by allergic conjunctivitis, the patient may have itchy eyes, redness of the white eyeballs, tearing and secretion increase and other manifestations, which led to the baby has been rubbing his eyes. 3. Inverted eyelashes: Inverted eyelashes refers to the eyelashes deviate from the normal growth direction and grow inward, thus causing contact and friction between the eyelashes and the eyeballs, causing itching and leading to babies rubbing their eyes all the time. Parents should pay more attention to infant hygiene and clean the baby’s eyes in time. After excluding the physiological factors, you should bring your child to the hospital for examination, and the doctor will clarify the cause of the disease and then carry out the appropriate treatment.