Human have an urge to connect with other people around them to make adjustments and mingle in a social environment without significant obstacles. Children due to IDD with cognitive and motor disorders may have problems in social adjustment to the social environment because of cognitive and physical limitations they have. This study aims to know the description of the communication, interaction and social support to children due to IDD with cognitive and motor disorders who had been treatment in BP2GAKI Magelang. This study is a qualitative research through participatory observation for six days to two subjects due to children with cognitive disorders and two subjects with motor disorders. Depth interviews with parents, neighbors and school teachers subject as well as a psychological tests of Vineland Maturity Scale Tests (VSMS) to describe the child’s ability to communicate, interact with the environment and social support provided. The data obtained were further analyzed using qualitative principles of phenomenology. The ability of communication and interaction of children due to IDD with motor disorders are better than children due to IDD with cognitive disorders. Communication and social interaction predominantly occurs in the family scope. There is a negative reception by the social environment surrounding the child to children due to IDD that causes social support became low. It is to built awareness in parenting practices in order to maximize the capabilities of the child also the awareness and positive public acceptance for the existence of children due to IDD with cognitive and motor disorders.