Children’s frequent blinking should be alerted to the possibility that it may be caused by overuse of the eyes, local inflammation, Tourette’s syndrome, inverted eyelashes and other reasons. 1. Excessive eye use: if children often play with cell phones or watch TV, it will cause excessive eye fatigue, which will trigger children to blink frequently. 2. Local inflammation: If children have inflammation in the eyes, such as conjunctivitis, keratitis, etc., due to the stimulation of inflammation, the eyes may be itchy, red and uncomfortable symptoms, prompting children to blink frequently. 3. Tourette’s syndrome: If children suffer from Tourette’s syndrome, many groups of muscles will be involuntarily twitching, which will be mainly manifested in the eyes as frequent blinking or involuntary blinking, and children may also have discomfort such as twitching at the corners of the mouth. 4. Inverted eyelashes: Inverted eyelashes in children with abnormal growth of eyelashes, irritation of the eye surface tissues, the child may appear eye stinging, foreign body sensation and other discomfort, the child may also appear frequent blinking discomfort. It is recommended that children with frequent blinking and other discomforts consult a doctor for evaluation and treatment.