Objective To explore the characteristics of brain imaging in autism. Method Structural and functional brain imaging of 368 children with autism were analyzed retrospectively. Results The abnormality rate of MRI(35.5%,55/155)was higher than that of CT(12.7%,26/205),the main abnormal positions were the cerebral cortex,white matter,cerebellum,basal ganglia and the ventricular system in autistic brain.There were SPECT,fMRI,MRS,DTI for functional brain imaging,SPECT was the more commonly used.31 cases of SPECT s...