Children’s constant blinking may be caused by impingement, conjunctivitis, dry eye, refractive error, etc., and need to be treated accordingly. 1. For the blinking caused by impingement, it can be treated by exercising more to lose weight and surgical correction of impingement to eliminate the blinking symptom. 2. For blinking caused by conjunctivitis, most of the blinking is due to allergic conjunctivitis caused by contact with allergens, and most of the blinking is accompanied by rhinitis and other symptoms. You can avoid contact with allergens through allergen testing, and also need to use eye drops for treatment, commonly used eye drops such as emetine and patanol. 3. For the blinking caused by dry eye syndrome, the blinking symptom can be eliminated by supplementing the artificial tear drops and relieving the dryness of the eyes, commonly used sodium vitrate eye drops. 4. For the blinking caused by refractive error, you should go to the hospital in time to see a doctor, optometry to clarify the degree of refractive error, and timely prescription of glasses for correction. Patients need to go to the ophthalmology department of the hospital in time to find out the cause of the symptoms, and then the doctor will take targeted treatment.