Effectiveness of Lidocaine Injection on Stellate Ganglion in Pediatric Patients With Autism Spectrum Disorder

The goal of this clinical trial is to explore efficacy of stellate ganglion block Children with Autistic Disorder. The main question it aims to answer is: Can stellate ganglion block improve the Autistic Disorder in children? Children with Autistic Disorder will be divided into the control group and experimental group evenly. All the patients were provided with routine therapy, while the patients in the experimental group were given stellate ganglion block. The Childhood Autism Rating Scale of the two groups of patients before and after treatment are evaluated.