Every child with autism is different but in many cases they have mental and physical problems. Unable to tolerate change, feels sad. Not paying attention to anything else or focusing on only one thing Not doing social activities properly can cause physical discomfort. Because of the high emotionality, the autistic kid may get impulsive and hurt himself. Coordination of muscles and movements Impaired vision, loss of perception of other dangers around, bodily injury. Being motivated to do things they love and self-harm in stubbornness. All these factors affect the development of a child with autism.