An Effectiveness Randomized Controlled Trial of Treating Moderate Tic Disorder in Children by Combining Chinese and Western Medicine

INTERVENTION: TCM granules :Oral TCM granules ;Tiapride Hydrochioride Tablets and ChangMaXiFeng Pian:Oral Tiapride Hydrochioride Tablets and ChangMaXiFeng Pian;Tiapride Hydrochioride Tablets:Tiapride Hydrochioride Tablets; CONDITION: Tic disorder in children PRIMARY OUTCOME: YGTSS; SECONDARY OUTCOME: TCM syndrome score;CGI‐?; INCLUSION CRITERIA: 1)Diagnosis of tic disorder, Tourette syndrome, persistent (chronic) motor or vocal tic disorder by criteria of Diagnostic and Statistical Manual of Mental Disorders (DSM‐5); 25= YGTSS score <50. 2)Diagnosis criteria of TCM syndrome according to the 2012 Chinese Society of Chinese Medicine and TCM Academy, TCM syndrome differentiation, complaining, frowning, blinking, shaking head, frequent muscle movements, yelling, high voice; secondary symptoms: irritability, dizziness, headache, restlessness, inattention. Tongue image pulse: red tongue, white or slightly yellow moss, smooth and strong veins. Patients with 3 or more main diseases and 2 or more secondary diseases can be diagnosed combined with tongue and pulse images. 3)The classification and quantitative standard of TCM syndrome refer to the TCM Pediatric Clinical Diagnosis and Treatment Guidelines. 4)Age is from 5 to 14 years old. 5)Meet the above diagnostic criteria. 6)The subject and the le