This paper summarizes Professor MA Rong′s experience in treating children with tic disorder by syndrome differentiation system of five zang-organs. The location of tic disorder in children is liver. However

it is closely related to spleen

lung

heart and kidney. By analyzing clinical symptoms

complications and constitution characteristics in different children

primary and secondary of five zang-organs causing disease was determined

and deficiency and excess of disease was judged

so as to extract the core pathogenesis including stagnation of liver qi

spleen deficiency generating phlegm

affected by exogenous wind

insufficiency of heart blood and kidney essence deficiency

which can lead to derangement of qi movement and stirring liver wind. On this basis

prescriptions are selected. Chaihu Guizhi Longgu Muli Decoction（柴胡桂枝龙骨牡蛎汤） is for treatment on liver

Ditan Decoction（涤痰汤） is for treatment on spleen

Yinqiao Powder（银翘散） is for treatment on lung

Suanzaoren Decoction（酸枣仁汤） is for treatment on heart

and Liuwei Dihuang Pills（六味地黄丸） is for treatment on kidney.