The baby has been blinking frequently may be due to bad habits, but also may be conjunctivitis, pediatric Tourette’s syndrome and other diseases. 1. bad habits: because the baby is young, the curiosity of the outside world is relatively heavy, may appear to imitate the behavior, the frequent blinking of the eyes. If the baby does not have other uncomfortable symptoms, usually do not need special treatment. 2. Conjunctivitis: there are many causes of conjunctivitis, which may be caused by infection, immune lesions and other factors, patients may experience conjunctival congestion, dry eyes, foreign body sensation and other discomfort, in order to alleviate the discomfort of the eyes, the baby may appear to blink frequently. 3. Pediatric Tourette Syndrome: the etiology and mechanism of pediatric Tourette Syndrome is not yet clear, may be genetic, neurological, psychological, environmental and other factors, the child may appear blinking, pouting, nodding, shrugging the nose and other manifestations. It is recommended that children with frequent blinking and other discomforts consult a doctor for evaluation of their condition and treatment as prescribed by the doctor.