Children often blink, may be myopia, conjunctivitis, dry eye and other pathologic factors. 1. Myopia: If the child does not pay attention to eye habits after birth and uses electronic products for a long time, such as cell phones, tablet, etc., he or she may become myopic and blur when seeing things, and he or she should develop good eye habits in daily life. 2. Conjunctivitis: If you don’t pay attention to local eye care in your daily life, the conjunctiva of your eyes may be infected by viruses and bacteria, resulting in inflammatory lesions. This usually causes discomfort such as redness, swelling, itching, and increased secretion in the eyes, so it will be in the form of blinking. 3. Dry eye: usually due to insufficient tear secretion, excessive evaporation of tears and other factors, resulting in too little tear secretion of the eyes, which will cause eye fatigue, foreign body sensation, dryness and other discomforts, the child will be through the form of blinking to improve. Frequent blinking of the child may also be caused by factors such as Tourette’s syndrome, and it is recommended to consult a doctor in a timely manner to clarify the cause of the disease and then treat it under the guidance of the doctor.