To analyze the TCM(Traditional Chinese Medicine)constitution type classification of children with tic disorder in Chengdu and explore the classification of TCM constitution type of tic patients，and to provide the theoretical basis for the study of the TCM body constitution type of children’s tic disorder.Thus,a reference for the prevention and treatment of tic disorder.Method can be provided.Methods:A questionnaire survey was conducted among 121 children with tic disorder，which were selected from January 2015 to December 2016.With reference to the research done by Professor Su Shurong，the TCM constitution of children were divided into 5 categories equilibrium type，lung-spleen type Ⅰ,lung-spleen type Ⅱ，spleen-kidney type I，spleen-kidney type II.Results:A total of 121 cases were included in this study，as for the TCM constitution，the lung and spleen body constitution was the most prevalent，of which lung-spleen type I accounting for 56.2%，and the lung-spleen type Ⅱ was 19.8%，spleen-kidney type I was 13.2%，equilibrium type was 10.7%and spleen-kidney type II was 0%.Conclusion:The lung-spleen type Ⅰ was the most common type of TCM(Traditional Chinese Medicine)constitution in children with tic disorder.