Abstract: The incidence of tic disorder in children has been increasing year by year.The disease is recurrent and often characterized by multiple and comorbid diseases.Although the etiology and pathogenesis of tic disorder in children is caused by exogenous toxin,the root cause is wind,fire,phlegm,deficiency and stasis.Tic disorder has a variety of etiological causes and variable symptoms,and it is not caused by one organ alone,often involving five organs.Professor Chang Ke understands tic disorder in children from wind,fire,phlegm,deficiency and stasis.In view of its pathogenesis,he uses common and self-created prescriptions to treat it,and the clinical efficacy is very good.Now the treatment experience is summarized as follows,with a case attached.

Key words:

Tic disorder, The etiology and pathogenesis, Treatment, Child