If your child is constantly blinking and frowning, he or she may have Tourette’s Syndrome (Tourette’s Syndrome). Tourette’s syndrome is one of the more common psycho-behavioral disorders in children. In the beginning, children will frequently blinking, frowning, pouting, open mouth, tossing the head and other symptoms, with the progress of the disease, Tourette’s syndrome symptoms are gradually diversified, will alternately appear to twist the neck, shrug the shoulders, limbs twitching and other symptoms. Often many parents think that their children’s frowning is just a bad habit, and some doctors may misdiagnose it as simple conjunctivitis, or even when the doctor tells the parents that it is this disease, the parents often do not believe it or delay the correct diagnosis by negatively consulting the doctor. Parents should pay close attention to this disease and take their children to the pediatric psychiatry department of regular hospitals as soon as possible for scientific and reasonable diagnosis and timely and effective treatment. In addition, it should be noted that some eye diseases can also cause children to blink and frown constantly, including common conjunctivitis (especially allergic conjunctivitis), eyelid inflammation, refractive error, eye fatigue caused by overuse of the eyes and dry eyes. Most of the frowning caused by general eye diseases will not be accompanied by systemic manifestations such as twitching of the limbs, and most of them can be significantly relieved after frequent ophthalmologic treatment and reasonable rest. Therefore, children who blink frequently also need to go to the ophthalmologist in time, reasonable arrangement of eye use and rest.