Frequent blinking in children can be caused by eye discomfort or neurological disorders, and there are more than six reasons for this, so parents should identify them on a case-by-case basis. If there are any abnormalities, seek medical treatment or behavioral intervention in a timely manner. Common causes of frequent blinking in children include: a. Eye discomfort: 1. Eye fatigue: Commonly children use their eyes too much leading to eye fatigue, which may result in dry, itchy eyes and other symptoms, and children may blink frequently, accompanied by eye rubbing and other actions. In severe cases, this may lead to refractive error and vision loss, so you should pay attention to eye rest, reduce the use of electronic products, and increase outdoor sports. 2. Eye foreign bodies: common in sandy weather, sand and other foreign bodies may enter the eyes and cause a strange feeling, leading to frequent blinking, and the symptoms can be relieved after the foreign body is discharged. 3. Eye inflammation: after the child is exposed to bacteria or viruses and other disease-causing microorganisms, they are not cleaned in time, and rubbing the eyes This can cause germs to enter the eye, causing keratitis, conjunctivitis and other diseases, which can lead to frequent blinking, and requires medical examination to determine the cause of the infection and then antiviral or anti-infection local treatment; 4. congenital causes: children with congenital entropion of the eyelid, inverted eyelashes, etc., may cause the eyelashes to constantly stimulate the cornea so that the child blinks frequently, and may also be accompanied by symptoms such as tearing. Most of these conditions will heal on their own as the child grows, but if they persist, they will need to be seen for surgical correction. Neurological disorders such as Tourette’s syndrome, also known as polysyndactyly, may present in the early stages of the child with action twitching symptoms, such as frequent blinking, which may be accompanied by nose twitching and other symptoms. With the progress of the disease may also appear snorting, restlessness, irritability and other symptoms. Parents need to bring their children to the doctor and actively cooperate with the doctor to help them control themselves and gradually improve their symptoms. Third, other: 1, the child may be interested in some behaviors during the growth process, if the child unintentionally pay attention to the eyebrow squeezing behavior and imitate it, it may lead to frequent blinking; 2, the child long-term picky food, the lack of nutrients in the body may lead to nerve function disorders, and then frequent blinking behavior.