Childhood autism, also known as autism, is a pervasive developmental disorder characterized by qualitative abnormalities in an individual’s social interpersonal and communication patterns, including multiple functional activities in a variety of settings, such as social interactions, impaired verbal expression, a narrow range of interests, stereotyped and other behavioral patterns. The main impairments of children with autism include the following: 1. Language disorders Speech and language development disorders are very common and serious, and parents often see their children for language problems. They tend to use gestures or other forms to express their wishes and requests, such as pulling an adult to the water bottle without pointing with their hands if they want a drink. They often talk to themselves and often use pronouns or misuse the pronouns “you, me, him”, or use stereotypical repetitive speech and imitation speech such as “what’s your name” when you say “what’s your name”. “What’s your name”. Disorders of speech intonation and rhythm are manifested by self-stimulated speech, often screaming, humming, or making “words” that are inaudible or incomprehensible to others, or talking to oneself, also known as “egocentric language”. About 1/3 of children with autism were originally very articulate and expressive, but gradually lose this ability after the age of 2, and even if they can speak, their speech is inflexible. The most common symptom of autism is “loneliness”, which is characterized by “no affection for relatives and no affection for strangers”. When relatives want to pick him up, he often does not hold out his hands like normal children, showing the posture of expecting to be picked up by relatives. They refuse to hug close to them. When they go out with their parents, they have no obvious expression of attachment, and when they see their parents coming back, they have no happy expression, and when they see strangers, they have the same expression as when they see their parents. Most of the social interaction disorders are not obvious until the age of 2, and the degree of disorder decreases after the age of 5. In childhood, the children lack the tendency to actively interact with others, are not interested in playing together, or even actively avoid it, are reluctant to establish personal friendships, prefer solitary activities, do not understand the feelings of others and lack empathy, and lack normal emotional responses with others. They do not use expressions, movements and gestures to interact with others; they lack the imagination of normal children and cannot “play house” or “build houses” with toys as normal children do; the lack of binocular vision is considered to be a characteristic expression of autism. The lack of binocularity is considered to be a characteristic manifestation of autism and can be seen in infancy, with symptoms becoming more pronounced by 12-30 months of age. 3. Rigid and stereotyped behaviors and interests Autism differs significantly from the content and interests of children in general, and is characterized by restricted, stereotyped and repetitive behaviors, interests and activity patterns. They lack interest in toys, activities or games that children generally enjoy, but often mechanically repeat certain fixed actions, such as obsessively playing with hands, looking at hands or swaying and rotating with hands up and down, banging on tables, tapping on walls, and self-injurious behaviors such as head banging. They like to fiddle with the wheels of toy cars (or bottle caps, gyroscopes, cup lids), often loving them, looking at rotating objects for a long time, and preferring to lick or smell the objects first rather than playing with them. On the contrary, they take special interest in certain things that are not normally toys, some almost to the extent of obsession, such as they stereotypically take a thin rope, a plastic bag, a piece of soap or plastic cards and other items never leave their hands, and take them away to cry and quarrel hard to comfort. They are not interested in children’s favorite cartoons, but are particularly obsessed with advertisements or weather forecasts, even if they are in another house but can run over to watch them as soon as they hear the sound of an advertisement or weather forecast, and run away after watching them. Some of them also have a strong desire to keep their environment unchanged, such as when objects placed in a fixed position are changed, they will feel very uneasy and irritable. 4. Intellectual developmental disorders Most autistic children have varying degrees of mental retardation, and their poor social skills lead to a significant lag in social adaptation. Some children are hyperactive and disobedient, and parents often bring them to the clinic with suspected ADHD. 25% of children have normal intelligence, 25% have mild intelligence disorder, and 50% have moderate to severe intelligence disorder, but some children with mental retardation may have “island activities”, i.e. they may show some special abilities in one aspect, such as the ability to remember numbers, routes, events, etc., or the ability to remember the events. However, some children with mental retardation may show “insular activity”, which means that they have special abilities in one area, such as the ability to remember numbers, routes, events, etc., or the ability to calculate dates and numbers, such as being able to recite many poems or sing very well or calculate very fast, and they may show the phenomenon of “idiot genius”. Kanner initially proposed that the cause of autism was due to parental emotional indifference, but after extensive research, this theory has been debunked and researchers are working to find the pathophysiological basis for the disease, which is still unclear. The cause of autism is still unclear. Therefore, there is no specific medicine for the treatment of this disease, and it mainly relies on early detection and early intervention. The family is the cradle of a child’s happiness and the child is the root of the family’s happiness. So how do you detect an abnormality in your child? Some children show symptoms of autism in their early infancy, while others do not show symptoms of autism until after the age of 2. There are many behavioral characteristics used to describe children with autism but usually children with autism do not have all the typical characteristics. Parents should be alert when they notice that their child is growing and developing differently than other normal children of the same age. If a child has more than half of the following symptoms, consider that he or she may have autism: 1. does not fit in with other children; 2. looks deaf; 3. resists learning; 4. is not afraid of real danger; 5. resists changes in daily life; 6. uses gestures to indicate needs (pulling on an adult instead of pointing with his or her hand); 7. laughs or giggles inappropriately; 8. resists close hugs; 9. Obvious hyperactivity; 10. Avoiding eye contact with others; 11. Inappropriately touching objects; 12. Preferring to rotate the body; 13. Playing odd games for a long time; 14. Being cold to people and not distinguishing affinity. Then you should go to a professional medical institution for examination as early as possible in order to intervene when problems are detected.