Children’s eyes blink frequently for the following reasons: 1, due to conjunctivitis, the child in addition to frequent blinking, but also have eyes congestion and other performance, the eyes are also very itchy, you can give the child some eye drops, such as tobramycin drops; 2, due to habitual blinking caused by this situation children blink frequently due to bad habits. The child often blinks frequently due to bad habits, this time you can let the child divert attention, its frequent blinking will slowly improve; 3, due to children’s tics caused by this situation is the most common, the prognosis is relatively bad. The child’s tic disorder is mainly caused by a less well-developed central nervous system in the brain, mainly related to dopamine receptor hypersensitivity and increased dopamine concentration.