As society continues to develop, the term autism has come into our lives, and children with autism are one of the groups that should be concerned as well as protected. Pediatric autism is a psychological disorder, a subtype of pervasive developmental disorder, which is generally more common in boys than in girls. 1. Communication disorder: The main manifestation of autistic children is communication disorder, they are not willing to communicate with others and lack communication skills, preferring to play with a toy by themselves or daze rather than communicate with people around them. 2. Language disorder: It is not that autistic children can’t speak, but that autistic children have weaker speech ability, speak out mostly in mean and repetitive language, and like to talk to themselves. 3. Stereotypical behavior: Autistic children are very obsessed with a certain thing and do it repeatedly. They are not interested in games and toys that children of the same age are keen on, and they are interested in some sharp objects and can observe them for a long time without feeling bored. The above is an overview of the common symptoms of autistic children. Once the symptoms of autism are detected, parents are advised to take their children to the hospital as soon as possible to improve the symptoms.