It is common in daily life that some children have some strange movements, such as squeezing their eyes, crooked mouth, turning their heads, etc. Some children have some strange sounds in their voices. Some parents think that their children are naughty and learn bad things from others, so they reprimand or even scold their children, but the result is not only can not change, but because the child is too nervous and more and more serious. In fact, this is a disease called tic disorder. The disease is mostly seen in children aged 6 to 12 years old, and is more common in boys. In recent years, the trend of the disease has increased year by year, and seriously affect the learning, life and physical and mental development of children, parents should pay great attention to. Tic disorders include temporary twitching, chronic motor twitching and tic obscura syndrome. Twitching is characterized by sudden, rapid, involuntary and repeated contractions of muscles or certain muscle groups in a certain part of the body. The clinical manifestations are diverse, such as blinking, frowning, nasal twitching, nuzzling, mouth opening, head shaking, head nodding, shoulder shrugging, limb twitching, etc. Some children are accompanied by vocalizations such as throat clearing and dry coughing sounds, and often one type of movement disappears or decreases, and some other manifestations appear again. Tic and obscene syndrome is more complex and varied, often with multiple twitches at the same time, and about 30% of children have an obscene speech disorder. These children often have mood disorders, learning difficulties, behavioral problems, and social adjustment difficulties. About half of the children have ADHD, which is characterized by hyperactivity, inattention, capricious impulsivity, and learning difficulties. To date, the etiology of tic disorder is not clear, and may be related to genetic factors, somatic factors, organic factors, psychiatric factors, and pharmacogenic factors, among which psychiatric factors are mainly due to the adverse effects of the family environment and the dysfunction of family education. Some children have mild symptoms and a short course of illness, and their symptoms can be relieved naturally by removing their triggering factors such as stress and fatigue. Those with a longer history and more complicated symptoms should seek timely medical consultation and take comprehensive treatment, including medication, psychotherapy, improving the family and educational environment, relieving psychological stress and tension factors, harmonious family relationships, and not reprimanding or scolding children, which are beneficial to the recovery of the disease.