Abstract: Objective To study the related factors of stress of parents of children with intellectual disabilities and autism. Methods 45 parents of children with intellectual disabilities and 45 with autism were surveyed. Results and Conclusion The stress level was very high in the parents of both 2 kinds of children, especially in the parents with autism children (P<0.01). The stress level of parents of both 2 kinds of children correlated positively with the level of disability, and correlated negatively with the family income.

Key words: intellectual disabilities, autism, parents, stress, related factors, comparative study